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A. Wind and rain are mode of transmission of Citrus canker.
B. Viruses are the causative agents of Yellow vein mosaic of okra.
C. Meningitis is a water-borne viral disease.
D. Bacteria are the causative agents of Typhoid.
Give a brief account on water-borne disease.A waterborne disease is a condition (that is, an adverse human health effect such as death, disability, illness, or disability): 47 Caused by pathogenic microorganisms that are transmitted in water. These diseases can be transmitted by bathing, washing, drinking water, or eating food that has been exposed to contaminated water. They are a pressing problem in rural areas of developing countries around the world. Diarrhea and vomiting are the most commonly reported symptoms of water-borne infections, but other symptoms may include skin, ear, respiratory, or eye problems. Inadequate supply of clean water, sanitation and hygiene (WASH) is a major cause of the prevalence of water-borne diseases in communities. Reliable access to safe drinking water and sanitation is therefore the most important way to prevent water-borne diseases.
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Related Questions
I need help please! Plant growth hormones
Answers
Answer:
1.end seed dormancy
2.promote flowering
epigenetic modification is a change in ________________.
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Epigenetic modification is a change in the chemical structure of DNA and its associated proteins that can influence gene expression without altering the underlying DNA sequence.
Epigenetic modifications can occur through a variety of mechanisms, including DNA methylation, histone modification, and non-coding RNA-mediated regulation.
DNA methylation involves the addition of a methyl group to cytosine bases in the DNA sequence, which can result in the silencing of nearby genes. Histone modification involves the addition or removal of chemical groups from histone proteins, which can affect the way that DNA is packaged and regulate gene expression.
Non-coding RNAs, such as microRNAs and long non-coding RNAs, can also regulate gene expression by binding to messenger RNA molecules and blocking their translation into proteins.
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the 3 general ways to overload your body through exercise arefrequency, intensity,time.all of these
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The 3 general ways to overload your body through exercise are all of these (option 4). Using any of these three methods, or a combination of them, can help you challenge your body.
Frequency: This refers to how often you exercise, or how many times per week you engage in physical activity. Increasing the frequency of your workouts can help you overload your body by increasing the total volume of exercise you perform in a given time period. For example, if you normally work out three times a week, increasing your frequency to four or five times a week can help you overload your body. This increased frequency can lead to improvements in endurance, cardiovascular health, and overall fitness.
Intensity: This refers to how hard you exercise, or the level of effort you put into each workout. Increasing the intensity of your workouts can help you overload your body by challenging your muscles and cardiovascular system to work harder than they are used to. This can be achieved by increasing the weight you lift, the speed at which you run or cycle, or the level of resistance you use in your exercises. Increasing intensity can lead to improvements in strength, power, and speed.
Time: This refers to how long you exercise, or the duration of each workout. Increasing the time you spend exercising can help you overload your body by increasing the total volume of exercise you perform. For example, if you normally run for 30 minutes, increasing the duration to 45 or 60 minutes can help you overload your body. This increased time can lead to improvements in endurance, cardiovascular health, and overall fitness.
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what role does genetic variation play in a species?
Answers
Answer:
See below.
Explanation:
Genetic variation is the difference in DNA among individuals or the differences between populations. The multiple sources of genetic variation include mutation and genetic recombination. Mutations are the ultimate sources of genetic variation, but other mechanisms, such as genetic drift, contribute to it, as well. Genetic variation can be identified at many levels.
Genetic diversity plays a critical role in the development of species. Genetic diversity refers to the variation in the genetic makeup of a population or species. This variation is the result of genetic mutations, recombination, and the flow of genetic material between populations.
Adaptation to the environment: Genetic diversity allows populations to adapt to different environmental conditions, such as changes in temperature, food availability, and disease. Populations with greater genetic diversity are more likely to have individuals with the genetic traits that allow them to survive and reproduce in a changing environment.
Evolution: Genetic diversity is the raw material for evolution. Genetic mutations, recombination, and the flow of genetic material between populations generate new genetic variations. Natural selection can then act on these variations, leading to the evolution of new species.
Resistance to disease: Genetic diversity within a population can also increase resistance to diseases by providing a greater pool of genetic variation that pathogens must overcome in order to infect and spread within a population.
Productivity and sustainability: Genetic diversity can also be important for the productivity and sustainability of ecosystems. Genetic diversity within a species can lead to increased productivity and resilience to environmental disturbances.
Biodiversity: Genetic diversity is also an important component of biodiversity, which is the variety of life on Earth. Genetic diversity within a species is the building block of biodiversity, and the loss of genetic diversity can have negative effects on the entire ecosystem.
However, it's also important to note that genetic diversity alone does not guarantee the survival of a species, other factors such as habitat destruction and climate change, pollution, over-exploitation, and invasive species can also play a critical role in the survival and extinction of species. Genetic diversity is an important aspect of the overall health and resilience of a species, but it must be considered in the context of the many other factors that affect the survival and evolution of a species.
In summary, genetic diversity plays a crucial role in the development of species by providing the raw material for evolution, adaptation to different environmental conditions, resistance to diseases, increased productivity and sustainability of ecosystems, and it's a key component of biodiversity.
Answer:
What role does genetic variation play in a species?
Explanation:
Enables a species to evolve
the open area or central space in the gi tract is called the
Answers
Answer:
The Lumen
Explanation:
hope this helps
if the growth medium lacks both his and trp, what will occur? choose one: a. both mutants a and b will form nanotubes to obtain the amino acid they are missing from the other mutant. b. only mutant a will form nanotubes. c. neither mutant a nor mutant b will form nanotubes. d. only mutant b will form nanotubes.
Answers
If the growth medium lacks both his and trp, (C) neither mutant a nor mutant b will form nanotubes.
'What is a growth medium?'
A growth medium is a nutrient-rich solution or solid agar surface that provides the appropriate environment for the growth of microorganisms like bacteria, fungi, and yeast. It includes all of the nutrients that the organism requires to thrive and reproduce.
It is important to note that different microorganisms have different nutrient requirements, so the composition of the growth medium must be adjusted depending on the organism you are trying to grow. The absence of specific nutrients can be used to identify a particular species of microorganism.
Therefore, correct option is (C) neither mutant a nor mutant b will form nanotubes.
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Fungal groups and relatives Classify each description into the correct fungal group or relative. If a description applies to more than one group, place it into both groups. Have the smallest known oukaryotic genome Produce zoospores Sister group to fung Use polar tube to infect host Alternation of haploid and diploid generations Found in digestivo tracts of herbivores Blastocladiomycota Neocallimastigomycota Microsporidia
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The smallest eukaryotic genome ever discovered: Zoospore-producing microsporidia include Blastocladiomycota and Neocallimastigomycota. Sister group to fungi: Microsporidia. Microsporidia can infect a host by using a polar tube.
From where do microsporidia originate?Microsporidia spores can be consumed or inhaled by humans, which causes microsporidiosis. According to studies, some Encephalitozoon species have been found in the urinary system of people with widespread diseases, raising the possibility of sexual transmission. The infectious form is the spore.
Which is the tiniest bacteria, virus, or fungus?Since viruses are the smallest germs and may move through the air with a cough or sneeze, they are typically the simplest to get. Spore size, nuclear make-up, and the interaction between the organism and its host cell are characteristics of microsporidia.
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True or false? Proteins play an important role in nerve signaling 
Answers
Answer:
true
Explanation:
Neurexin is a protein required to connect between nerve cells. The receptor proteins present in sensory neurons receive the signal from the sensory organ
A classic study (Harlow & Harlow) demonstrated that when baby monkeys were denied physical contact with their mothers...
Answers
The classic study by Harlow and Harlow (1958) demonstrated that when baby monkeys were deprived of physical contact with their mothers, they experienced a variety of developmental issues, such as increased fearfulness and decreased ability to form meaningful relationships.
The "wire mother/cloth mother" experiment was conducted by Harlow and Harlow in which they designed two artificial mothers for the baby monkeys. One of the mother's was made of wire, and the other one was made of soft cloth. They studied the behavior of monkeys with different mothers.
The experiment's outcome showed that the baby monkeys were strongly inclined towards the cloth mother and spent more time with the cloth mother rather than with the wire mother. This experiment reveals that the physical contact and attachment of the mother have a significant impact on the emotional and social development of the child.
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josiah was just diagnosed with type 2 diabetes, which means that he is now also at increased risk for developing cardiovascular disease.true or false
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The given statement "Josiah was just diagnosed with type 2 diabetes, which means that he is now also at an increased risk of developing cardiovascular disease" is true.
The reason is that type 2 diabetes raises the risk of cardiovascular disease. Type 2 diabetes is a metabolic disease that is reported when the pancreas cannot make enough insulin or when the body cannot effectively use the insulin it produces.
Insulin is a hormone that regulates blood sugar levels in the body. As a result, blood sugar levels rise and cause a variety of symptoms.
Heart attacks, strokes, and peripheral artery disease are all examples of cardiovascular diseases. CVD is a major cause of death globally, and diabetes increases the risk of developing CVD.
High blood sugar levels can cause damage to blood vessels, increasing the risk of atherosclerosis, or the hardening and narrowing of the arteries.
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Which of the following is an example of genetic engineering?
A.
manipulating potato genes to improve nutritional value, growth and flavor
B.
creating a new identical mouse from the single cell of another mouse
C.
a trait that is not advantageous disappearing over multiple generations
D.
breeding two fast racehorses to produce offspring that have superior skills
Answers
Answer:
A. manipulating potato genes to improve nutritional value, growth and flavor is an example of genetic engineering.
Explanation:
A. Manipulating potato genes to improve nutritional value, growth, and flavor is an example of genetic engineering.
Explanation:
Genetic engineering is the process of manipulating an organism's DNA or genetic material to create new traits or characteristics that do not occur naturally. This can be done by adding, deleting, or modifying genes or other genetic elements.
In the example given, scientists are manipulating the genes of potato plants to improve their nutritional value, growth, and flavor. This involves identifying and modifying specific genes that are responsible for these traits, such as genes that control starch production or flavor compounds.
the slightly raised curved ridges that mark the lateral border of the forehead d the beginning of the temporal region IS CALLED
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The slightly raised curved ridges that mark the lateral border of the forehead and the beginning of the temporal region are called the temporal lines.
The forehead is the upper part of the face. It is known as the top part of the skull, between the eyebrows and the hairline. It is a bony structure that comprises the frontal bone and the frontal sinuses.The curved ridges that mark the lateral border of the forehead and the beginning of the temporal region are known as the temporal lines. The temporal lines start from the frontozygomatic suture on the cheekbones and extend along the lateral aspects of the skull to the coronal suture. The temporal lines define the temporalis muscle's lateral border, which is a muscle that is involved in jaw movement.The temporal lines mark the attachment site of the temporalis muscle, which is an important muscle for chewing food. It's a fan-shaped muscle that begins at the temporal lines and covers the side of the head. As a result, the temporal lines are a significant anatomical landmark on the skull.Learn more about the temporal region: https://brainly.com/question/10494500
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The first stop in assessing the evolutionary path of the three equine species is to transcribe their mitochondrial DNA to RNA. A mitochondrial gene from a horse is found on the top strand: What RNA sequence is produced from this strand of DNA? (Enter your answer beginning at the 5' end with no spaces.)
Answers
The RNA sequence produced from the top strand of the mitochondrial DNA of a horse is: 5'-AAUCUGCUUGGCCUAAAU-3'.
This sequence is derived from the process of transcription, which is a part of gene expression. In transcription, the DNA sequence is used as a template to create a complementary RNA molecule. The RNA molecule created from the mitochondrial DNA of the horse contains the same genetic information, but it is written in a different language.
In the process of transcription, DNA is unzipped, and an enzyme called RNA polymerase binds to the template strand of the DNA and starts reading it in the 3' to 5' direction. For each DNA nucleotide, an RNA nucleotide is matched to it and the two nucleotides are held together by a hydrogen bond.
This process continues until the enzyme reaches the end of the template strand. The result of this transcription is a single strand of RNA. The sequence of the RNA molecule is the complement of the sequence of the original DNA template strand. In the case of the mitochondrial DNA of a horse, the complementary RNA sequence is 5'-AAUCUGCUUGGCCUAAAU-3'.
Transcription is a fundamental process for gene expression. Through this process, the information contained in the DNA molecule is made available for the production of proteins and for other cellular functions.
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Imagine that you are one of the U.S. representatives in charge of deciding whether or not this mosquito receives approval to be released. Describe what concerns or questions you would want answered about the mosquito.
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Answer:
As a U.S. representative tasked with deciding whether or not to approve the release of the mosquito, I would have a number of concerns and questions that I would want answered before making a decision. Some of these concerns and questions might include:
How effective is the genetic modification in preventing the spread of disease? Are there any potential unintended consequences of this modification?
What are the potential risks to human health associated with the release of these mosquitoes? Could they carry any new diseases or cause allergic reactions?
What measures are in place to prevent the mosquitoes from spreading beyond the intended release area? Are there adequate controls in place to prevent the mosquitoes from becoming invasive?
What is the timeline for evaluating the effectiveness of the program? How will success be measured, and what benchmarks will be used to determine whether the program is working as intended?
How will the release of these mosquitoes be communicated to the public? Will local residents be consulted and informed of the potential risks and benefits of the program?
Overall, my primary concern would be ensuring that the release of these mosquitoes is conducted in a safe and responsible manner, with careful consideration of the potential impacts on both the local ecosystem and human health. I would want to carefully review all available data and research, consult with experts in the field, and ensure that appropriate safeguards are in place before making a decision on whether or not to approve the release of these mosquitoes.
which structure is the adult remnant of the umbilical vein?
Answers
The adult remnant of the umbilical vein is the ligamentum teres hepatis, also known as the round ligament of the liver.
The umbilical vein is a blood vessel that carries oxygenated blood from the placenta to the developing fetus during pregnancy. After birth, the umbilical vein is no longer needed and begins to close off. The adult remnant of the umbilical vein is known as the ligamentum teres hepatis, which is also called the round ligament of the liver. This fibrous band runs from the umbilicus to the liver and is a non-functional structure in adults. The ligamentum teres hepatis serves as a marker for certain surgical procedures and can also be a site of pathology such as the development of tumors or cysts.
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Which substance
has a high albedo?
A) black pavement
B) rich soil
C) liquid water
D) a shiny building
Answers
D) A shiny building typically has a high albedo.
Explanation:
Albedo refers to the ability of a surface to reflect sunlight. Shiny surfaces like a polished metal or glass building can reflect a lot of sunlight, giving them a high albedo. In contrast, darker surfaces like black pavement or soil absorb more sunlight, and therefore have a lower albedo. Liquid water also has a relatively low albedo, as it tends to absorb more sunlight than it reflects.
Where are the low-energy electrons located after the electron transport chain is completed?- They are recycled to earlier steps in the process.- They are added to H+ to form H.- They are located in the cytoplasm, where they contribute to the overall negative charge of the cell.- They are located in the bonds of H2O.- They are located in the bonds of ATP after chemiosmosis.
Answers
The low energy electrons after the electron transport chain (ETC) is completed: (4) They are located in the bonds of H₂O.
ETC is a series of electron transporters present in the inner mitochondrial membrane and the thylakoid of chloroplast through which the electrons are transported. This process is coupled with the formation of proton gradient which is used to generate energy components like ATP and NADPH.
The low energy electrons are the same high energy electrons at the beginning of the ETC. After passing through the series of transporters they lose their energy and complete the process by reducing the available oxygen molecule by the formation of water (H₂O).
Therefore the correct answer is option 4.
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Genetic variation rarely occurs from generation to generation in______ organisms. Which alternative is correct to fill in the blank space? A. All,B. Asexual, C. Multi_celled or D. Single_celled
Answers
Option B is Correct. In asexual creatures, genetic diversity rarely happens from variation of generation to generation.
Different phenotypes can be introduced into an organism by genetic changes that change gene activity or protein function. The likelihood of a genetic variant being passed down to the following generation increases if a trait is favourable and aids the individual in surviving and procreating (a process known as natural selection).
The term "allele" is used to refer to a gene's alternate form or variants. For each autosomal gene, one allele is inherited from each parent, and we often group the alleles into categories. Usually, we refer to them as normal, wild-type, aberrant, or mutant alleles.
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what is a kind of mutation that can change every amino acid that follows the point of mutation?
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A type of mutation that can change every amino acid that follows the point of mutation is called a frameshift mutation. In frameshift mutations, nucleotides are added or deleted from the DNA sequence.
What are nucleotides?Nucleotides are the building blocks of nucleic acids, such as DNA and RNA. They are made up of three components: a sugar molecule (either deoxyribose or ribose), a phosphate group, and a nitrogenous base. The nitrogenous base can be one of four types: adenine (A), guanine (G), cytosine (C), or thymine (T) in DNA or uracil (U) in RNA. The nitrogenous bases pair up in specific ways in DNA (A with T and C with G) and RNA (A with U and C with G) to form the genetic code. The sequence of nucleotides in a DNA or RNA molecule determines the genetic information that is carried and transmitted from one generation to the next.
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identify the landmark on the temporal bone that is a pointy spine.
The styloid process is a pointy, spinous projection that serves as a site of muscle attachment. It is easily broken off of human skull specimens.What we called it?
Answers
The styloid process is a pointy, spinous projection on the temporal bone that serves as an attachment site for muscles. It is often easily broken off of human skull specimens. This structure is also known as the styloid process of the temporal bone.
The styloid process is located on the anterolateral aspect of the skull, near the external auditory meatus. It projects medially and downward from the base of the skull and points toward the hyoid bone. This structure is important for its role in providing attachment sites for muscles and ligaments. It also serves as a landmark for clinical examination and identification of the mandibular nerve. The styloid process is the only bony process in the human skull that originates from the temporal bone. It can be palpated from the lateral surface of the neck, just below the base of the ear. Clinically, it is important for its role in providing attachment sites for the stylohyoid, styloglossus, and stylopharyngeus muscles, as well as the stylohyoid and stylomandibular ligaments.
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what happens when a baby swallows poop in the womb
Answers
Answer:it would die
Explanation:it would die from infection
Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable.
Answers
Possible hypotheses about a medicinal aloe vera plant as falsifiable or non-falsifiable are:
1. Aloe vera is effective in treating burns. (Falsifiable)
2. Aloe vera can cure cancer. (Falsifiable)
3. Aloe vera has magical healing properties. (Non-falsifiable)
4. Aloe vera has no side effects. (Falsifiable)
A falsifiable hypothesis is one that can be tested and either supported or refuted through empirical evidence. A non-falsifiable hypothesis is one that cannot be tested or verified through empirical evidence.
The first two hypotheses are falsifiable as they can be tested by conducting experiments to determine the effectiveness of aloe vera in treating burns or curing cancer. The third hypothesis is non-falsifiable as it is not possible to test or verify the claim that aloe vera has magical healing properties. The fourth hypothesis is falsifiable as it can be tested by conducting experiments to determine whether or not aloe vera has any side effects.
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human diversity means a. biological diversity across human species and populations b. cultural diversity across different human groups in time and place c. different adaptations and strategies across different environments d. all of the other answers
Answers
Human diversity means cultural diversity across different human groups in time and place. Here, option b is the correct answer.
Human diversity refers to the differences that exist within and among individuals in a population. It might include differences in behavior, appearance, gender, socioeconomic status, and cultural background. Cultural diversity is the existence of a wide range of cultures in a society, including differences in customs, beliefs, and values.
Different cultures value various things, and they all have their unique ways of viewing the world. The term refers to the range of differences that exist between cultures across the globe. The term "diversity" encompasses a wide range of concepts and issues that are related to culture, ethnicity, gender, sexuality, and more.
Different cultures have different customs, beliefs, and values, and these differences can have a significant impact on how people live their lives, communicate with one another, and interact with the world around them.
Therefore, correct option is B.
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is most of your breathing voluntary or involuntary?
Answers
Most of your breathing is involuntary, meaning it occurs without conscious control. The process of breathing is a result of automatic control systems in the body, mainly the brainstem.
The brainstem sends signals to the muscles in your chest, abdomen and diaphragm that cause your lungs to fill with air and then empty. During voluntary breathing, however, you are consciously able to take a deeper breath or even hold your breath. Voluntary breathing is used during physical activity and relaxation. For example, when running, we use voluntary breathing to take deeper and faster breaths to increase our oxygen intake and fuel our muscles. During relaxation, we can use voluntary breathing to take slow, deep breaths to calm our mind and body.
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Can you help me please?
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the body of an average healthy adult is at least ____ percent water.
Answers
The human body of an average healthy adult is at least 50 percent water.
The body's water content fluctuates significantly with age and sex as well as other variables, although it typically falls between 45-75%. Less fatty tissue contains more water than lean muscle does. Normal water content in a female body is often lower than in a male body. Women have a higher percentage of fat than men, which accounts for this. Because of this water distribution, individuals with higher body fat percentages are probably to have lower levels of water in their bodies.
As we become older, our body's water content shifts. In comparison to older folks, babies' bodies contain a significantly higher proportion of water.
The human body has water in every cell. 60% of the body's water is found inside cells, with the remaining one-third surrounding the cells. More water is present in some organs than in others. Water content is highest in the brain and kidneys and lowest in the bones and teeth.
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indicate which cellular processes directly require DNA replication (R), transcription (TC), or translation (TL). 'Directly' means the cellular process that must occur immediately before the one in the question. synthesis and secretion of insulin from the liver meiosis of spermatogonia production of LH mRNA in the pituitary gland mitosis of intestinal epithelial cells synthesis of steroid hormone receptors
Answers
The cellular processes that directly require DNA replication (R), transcription (TC), or translation (TL) are as follows:
Synthesis and secretion of insulin from the liver: Transcription (TC) and Translation (TL)Meiosis of spermatogonia: DNA Replication (R)Production of LH mRNA in the pituitary gland: Transcription (TC)Mitosis of intestinal epithelial cells: DNA Replication (R)Synthesis of steroid hormone receptors: Transcription (TC)1. Insulin is a hormone produced by the pancreas, and it plays a vital role in regulating the body's metabolism. The synthesis of insulin involves transcription and translation processes. Insulin is transcribed from the DNA in the nucleus and translated into a protein in the cytoplasm.
2. Meiosis of spermatogonia requires DNA replication as the first step. The cell divides twice to form four haploid sperm cells that are used for fertilization.
3. The pituitary gland produces follicle-stimulating hormone (FSH) and luteinizing hormone (LH), which regulate the production of estrogen and testosterone in the ovaries and testes, respectively. The production of LH mRNA requires transcription.
4. The mitosis of intestinal epithelial cells occurs through DNA replication. The daughter cells have the same genetic information as the parent cell, ensuring that the same information is passed on.
5. The synthesis of steroid hormone receptors requires transcription, which is the process by which RNA is produced from DNA. Steroid hormone receptors are proteins that bind to steroid hormones and play a role in the regulation of gene expression.
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meiosis occurs as a part of _____ reproduction with the resulting daughter cells having a _____ number of chromosomes
Answers
Answer:
sexual
genetically identical
The kidneys help to regulate blood pressure by:A. retaining key electrolytes, such as potassium.B. eliminating toxic waste products from the body.C. removing sodium, and thus water, from the body.D. accommodating a large amount of blood volume.
Answers
Answer:
option C
Explanation:
The kidneys regulate circulatory volume by controlling sodium and water balance
Is someone really good in biology? If so can someone please help me with this I’m struggling with it!!
Answers
1. Replicated DNA code will be: TAA CGTGAT; 2. mRNA codons are therefore: UAA CGU GAU ; 3. tRNA anticodons are: AUU CGC CUA; 4. Amino acid sequence is: Stop - Arg - Asp
What is codon?Sequence of three consecutive nucleotides in DNA or RNA molecule that codes for specific amino acid is called as codon.
Assuming the original DNA code is the template strand, the replicated DNA code will be:
TAA CGTGAT
To determine the mRNA codons, we need to transcribe DNA code into mRNA by replacing T with U: UAA CGUGAU
mRNA codons are therefore: UAA CGU GAU
The anticodon for UAA is AUU, which pairs with the codon UAA via complementary base pairing. The anticodon for CGU is GCA, which pairs with the codon CGU via complementary base pairing. The anticodon for GAU is CUA, which pairs with the codon GAU via complementary base pairing.
Therefore, tRNA anticodons are: AUU CGC CUA
To determine the amino acid sequence, we need to use genetic code to translate the mRNA codons into their corresponding amino acids.
UAA = Stop codon
CGU = Arginine (Arg)
GAU = Aspartic acid (Asp)
Therefore, amino acid sequence is: Stop - Arg - Asp
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