Answer:
what is a phosphorus
Explanation:
QUICK HELP! A team of scientists found an organism in the tropical rainforest hidden in a cave. They have learned that this organism is multicellular, appears to reproduce both asexually and sexually, is eukaryotic, and is a decomposer. What kingdom(s) could this organism belong to? Choose all that apply.
Answer:
I think kingdom protista, plantae, or animalia
Answer: Plantae, animalia, protista
Explanation: I got right on test.
why are they called amino acids?
Answer:
You stated why it is called an amino acid, the name comes from the amine (amino) and the carboxylic acid (carboxyl group). Amines are weak bases, so the acid portion of the name must come from the carboxylic acid
Explanation:
hope it will help you
how many chromosomes are there in human ovum
Answer:
23 chromosomes
Unlike all the other cells in a human body which are diploid, human sex cells are haploid. That means that both sperm cells and ova are haploid; containing only 23 chromosomes.
Explanation:
have a good day!
(─‿─)
The chromosomes in egg and sperm cells have just 23 chromosomes each.
What is gamete?Male gametes are termed sperm, while female gametes are called "ova." Gametes are an organism's reproductive cells, also referred to as "gender cells." Since gametes are haploid cells, each chromosome is present in one copy per cell.
Unfertilized reproductive cells are called gametes. A zygote is an egg that has been fertilized. Gametes are always haploid cells since they are a byproduct of meiosis.
Zygote is a diploid structure because it results from the fusing of a male and female haploid gamete.
Similar to a sperm, an egg has 23 chromosomes total, which is half the number found in a normal cell.
The resultant embryo will therefore have the typical 46 chromosomes in total after an egg and sperm join during fertilization.
Thus, there are 23 chromosomes in human ovum.
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True or False: There are no shortcuts in
dichotomous keys!
Answer:
True
Explanation:
No need to skip
Which of the following best represents what is displayed in the image below?
A. The differences between plant structures and the mechanism that produces them
B. The completed plant tissues and the cells that initiate their growth
C. The relationship between different structures in a plant and their functions
D. The types of plant cells and their functions within the plant
The given image shows the relationship between different structures in a plant and their functions.
What are the structures of plants and their functions?
There are various plant parts, each with its unique characteristics and functions to do. Each one of them plays a vital role in maintaining a healthy ecology and environment.
The parts of the plant include
Roots: The most crucial component of a plant is its roots. They are located underground and make up a plant's root system. They are responsible for holding the plant in place with the soil. They serve as an anchor that the plant uses to keep itself steady. By soaking up water, nutrients, and minerals from the soil, they also control the health of the plant. A plant can grow as a result of these. Additionally, they keep food supplies for later use.Stems: It is the second most crucial component. It rises above the ground, starts out green, and eventually turns brown as it gets older. They consist of leaves, fruits, and flowers and sustain the plant's stalk system. They support the framework and structure of the plantLeaves: Chlorophyll, which is responsible for the synthesis of plant food, can be found there. To prepare the food, it makes use of water, carbon dioxide, and sunlight. A leaf is further divided into three main parts: the petiole, leaf base, and lamina.Flowers: There are certain plants that do not have flowers. They have a vibrant, peaceful aesthetic. They are the plant's reproductive system. Petals, sepals, stamens, and pistils are its four main constituent components.Fruits: Fruit production is carried out by flowering plants. After fertilization, the fully developed ovary transforms into a fruit. They develop into a seed first, then a fruit.Learn more about plants here:
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The primary function of insulin in our bodies is to
O
A. store fuel for later use
B. regulate the amount of glucose in the blood
C. increase the efficiency of fuel consumption
o D. prevent digestive bacteria from consuming glucose
Answer:
B. regulate the amount of glucose in the blood
Explanation:
Insulin is a peptide hormone produced by the pancreas that lowers blood glucose levels and induces the transport of glucose within the cell
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Earth has gone through many cycles of ice ages followed by periods of warmer climate. How might these cycles be related to patterns of solar output and patterns of change in Earth’s motion in space?
Answer:
They both go back and forth, such as the climate going from hot to warm, and the tectonic plates of the earth going from closed 300 million years ago to spreading far apart now.
Both of them oscillate, as seen by the earth's tectonic plates, which went from being tightly packed 300 million years ago to spreading widely at the moment.
What is tectonic plate?Tectonic plate is defined as the lithosphere is made up of sections or parts of the upper mantle and crust of the earth. Starting around 4 billion years ago, cooler parts of the Earth's crust were forced downward into the warmer upper mantle, damaging and weakening the surrounding crust. According to the authors, this cycle repeated itself until the weak spots established plate borders.
Slow variations in the Earth's orbit start and conclude these ice eras. However, variations in CO2 concentrations in the atmosphere also play a significant role in driving both cooling at the start of ice ages and warming at their end. During the last ice age, the average global temperature was around 4C lower than it is now.
Thus, both of them oscillate, as seen by the earth's tectonic plates, which went from being tightly packed 300 million years ago to spreading widely at the moment.
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PLEASE HELPPPP
What is the relationship between mutation, the cell cycle, and cancer? Select all statements that apply.
A Mutated genes typically allow cells to respond to checkpoint proteins that halt the cell cycle, thus avoiding formation of tumors.
B. As a result of unregulated cell cycles, cells may become cancerous, meaning that the cells grow and divide uncontrollably.
С
Cancerous cells may form malignant tumors that invade and destroy surrounding healthy tissue.
D. Mutated, defective genes may cause cells to become unable to respond to signals that regulate the cell cycle.
Dave is perched on a tree branch. Which factor determines his potential energy?
Answer:
Gravitational Potential Energy is determined by three factors: mass, gravity, and height. All three factors are directly proportional to energy.
Explanation:
Answer:
He is not moving so he is using potential energy
Explanation:
I hope this helps
Sedimentary rocks such as sandstone often contain cracks or ripples. These marks show that a number of sedimentary rocks form
A. In pockets of molten rock.
B. Inside ice in mountain ranges
C. Under sands in the desert
D. At the bottom of bodies of water
Two ways that hostility can affect the body are through stress on the heart and Select one: a. increased pulmonary function. b. reduced pulmonary function. c. decreased inflammation. d. increased lymphocyte activity.
Answer:
sorry hindi ko po alam nyan pag alam ko sasabihin ko po sa inyo promise po nyan
How do trees help reduce carbon dioxide in the atmosphere?
Explanation:
Trees, like all plants, use the energy of sunlight to take carbon dioxide (CO2) from the air and water from the ground through the mechanism of photosynthesis. They release oxygen into the air during the process of turning it to wood.
and no- this is not copied :)
The concept of induced fit refers to the fact that a. Substrate binding may induce a conformational change in the enzyme, which them brings catalytic groups into proper orientation. b. When enzymes bind substrates, the substrates are bought into proximity to make a chemical reaction favorable. c. When a substrate binds to an enzyme, the enzyme induces a loss of water from the substrate. d. When a substrate binds to an enzyme, free energy is released due to non-covalent interactions.
Answer:
Option A, Substrate binding may induce a conformational change in the enzyme, which them brings catalytic groups into proper orientation.
Explanation:
Induced fit concept refers to introduction of continuous change of enzyme conformation on substrate binding. This change in the shape of enzyme either inhibit or enhance the activity of enzyme. This makes the enzyme catalytic and hence lower the activation energy thereby increasing rate of reaction.
The diagram shows the box for an element in the periodic table.
13
Al
Aluminum
27.0
What is the atomic number of the element shown?
Answer:
13
Explanation:
The atomic number for Aluminum (Al) is 13. If you have access to the periodic table, this would've taken a few seconds.
How many electrons are transferred in one ionic bond between sodium and chlorine?
a. 3
b. 2
c. 4
d. 1
Answer:
c i think so if is not correct i am sorry
which of the following is an example of the current impact DNA technology has on human health?
Answer:plants grow
Explanation:te she said so
Cystic fibrosis is a recessive genetic disease caused by a mutation in the gene that encodes the CFTR protein, which transports chloride ions in and out of cells. Some populations have a relatively high rate of cystic fibrosis carriers, possibly because the mutation protects against severe dehydration in diseases like cholera or typhoid. What concept does this best illustrate?
A: Polygenic traits
B: Genetic drift
C: Pleiotrophy
D: Heterozygote advantage
its letter b the genetic drift because it is mechanism of evolution in which allele frequencies of a population change over generation due to chance.
Cystic fibrosis is a recessive genetic disease that encodes the CFTR protein, but some populations have a relatively high rate of cystic fibrosis carriers, which protects against severe dehydration and is an example of the heterozygote advantage that is present in Option D.
What is the heterozygote advantage?When the gene is present in a heterozygote state, the gene product benefits the individual rather than harming him or her, as in sickle cell anemia and cystic fibrosis. In sickle cell anemia, the heterozygote state protects the person from malaria, and in cystic fibrosis, it protects the person from dehydration.
Hence, Cystic fibrosis is a recessive genetic disease that encodes the CFTR protein, but some populations have a relatively high rate of cystic fibrosis carriers, which protects against severe dehydration and is an example of the heterozygote advantage that is present in Option D..
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What is random fertilization?
Answer:
Two individuals mate, and each is capable of producing over 8 million potential gametes. The random chance of any sperm and egg coming together is a product of these two probabilities.
what does transportation help in ascent of sap?
Evaporation of water molecules from the cells of a leaf creates a suction which pulls from the xylem cells of the roots.Thus,the transpiration helps in the absorption and upward movement of water and minerals dissolved in it from roots to leaves in the help of ascent of sap .
may this was ur answer
Which one 1,2,3,4…………………
Answer:
3
Explanation:
brain
hope this helps!!!
Answer:
3
Explanation:
A person with a bacterial infection begins to feel hot and feverish. This response MOST likely helps the body fight infection by —
Answer:
making it hard for bacteria to leave the body
Explanation:
What structures have parasite worms lost? What structures/organs are expanded?
Explanation:
Something that is lacking, is a circulatory system. Instead of a typical circulatory system flatworms exchange oxygen with the air outside through diffusion. This is the process by which gases will pass through a membrane from an area of high concentration to an area of low concentration.
What regulates breathing rate and how does the body sense when to breath?
Answer:
Involuntary respiration is controlled by the respiratory centers of the upper brainstem (sometimes termed the lower brain, along with the cerebellum). This region of the brain controls many involuntary and metabolic functions besides the respiratory system, including certain aspects of cardiovascular function and involuntary muscle movements (in the cerebellum).
Explanation:
The respiratory centers contain chemoreceptors that detect pH levels in the blood and send signals to the respiratory centers of the brain to adjust the ventilation rate to change acidity by increasing or decreasing the removal of carbon dioxide (since carbon dioxide is linked to higher levels of hydrogen ions in blood).
Why do mutations code proteins?
Answer:
A nonsense mutation is a genetic mutation in a DNA sequence that results in a shorter, unfinished protein product. DNA is a chain of many smaller molecules called nucleotides. During protein formation, DNA (or RNA) nucleotide sequences are read three nucleotides at a time in units called codons, and each codon corresponds to a specific amino acid or stop signal (stop codon).
Explanation:
Wrong answers only!! What are 3 sustainable tourism takes into account
Answer:
• robing
• playing h&s
• Hw
Explanation:
How did Burger King get Dairy Queen pregnant?
Answer:
they where like McDonald's they broke the icecream maker
The structure of the plasma membrane is often explained using the "Fluid Mosaic Model". In this model, the term "fluid" best refers to which of the following?
Group of answer choices
all choices are correct
water can move through the plasma membrane
the plasma membrane is made of a liquid
the fact that the phospholipids and embedded structures are free to move
Answer:
ALL OF THE ABOVE
Explanation:
Earth’s rotation caused surface currents in the Northern Hemisphere to
A. Curve Clockwise
B. Move in straight lines
C. Curve Counterclockwise
D. Move in diagonal lines
what does it mean to say that CO2 becomes "fixed" during photosynthesis
Answer:
What does it mean to say that CO2 becomes "fixed" in talking about photosynthesis?
A. CO2 becomes bonded to an organic compound.
Explanation:
I NEED HELP ASAP PLEASE!!
Answer:
yes you're good. D its the right
In order to assign a Richter magnitude to an earthquake event, a scientist would have to measure the _________ waves on a seismogram.
a. secondary
b. surface
c. primary