3 examples of non-living things that can disrupt homeostasis
Answer: This is what I could find on it.
There are many external factors that can disrupt homeostasis. Disease, toxins, and pathogens are just a few examples.
Some diseases can have external causes, like a toxin or pathogen invading the body. Toxins are products of plants, animals, fungi, or bacteria that hurt cells in some way.
Explanation:
sorry if that's not what you need
Which best describes the first step in genetic engineering? A. Fragments of DNA that have desired genes are isolated to form recombinant DNA for use in a host. B. All the DNA from a desired organism is isolated to form recombinant DNA for use in a host. C. Different sections of DNA from a desired organism are inserted into a host so that beneficial traits will be expressed. D. One strand of DNA is isolated and inserted into a host so recombinant DNA can be formed.
Answer:
A. Fragments of DNA that have desired genes are isolated to form recombinant DNA for use in a host.
Explanation:
Genetic engineering, also known as genetic modification, is a technique that involves the manipulation of an organism's genome using biotechnology procedures. The purpose of genetic engineering is to create an organism with desirable traits.
Genetic engineering involves series of steps, however, the very first step is that of DNA EXTRACTION. The fragments of DNA that have desired genes are isolated from the involved organism. The extracted DNA called the recombinant DNA, which is inserted into the host genome.
Answer:
A Fragments of DNA that have desired genes are isolated to form ......
Explanation:
I just took the test
6. Name the two ways electric current can be induced using magnetism.
Answer:
Explanation:
We can induce an electric current inside a coil in 2 ways. This is done due to the relative motion of the coil and the magnetic field.
The first and the easier way to do that would be to induce a current on the coil by moving the coil inside a magnetic field.
The second way would be to induce a current on a coil by altering the magnetic field across it.
a hurricane comes through and causes beach erosion. which choice best represents the systems that are affected?
A. hydrosphere, atmosphere, geosphere
B.atmosphere, cryosphere, geosphere
C.hydrosphere, lithosphere, biosphere
Fermentation and cellular respiration are both processes the breakdown glue close and
A. Store lactic acid in bonds
B. Release energy from bonds C. Require 02 as a reactant D. Produce ethyl alcohol 
Answer:
B. Release energy from bonds
Help me pretty please
Answer:
oxygen
Explanation:
its the only element needed
Do lipids dissolve in water? Why or why not?
Answer:
Because they are nonpolar and water is polar, lipids are not soluble in water. That means the lipid molecules and water molecules do not bond or share electrons in any way.
Explanation:
Which is an example of a coexisting technology?
ballpoint pen
computer mouse
tablet computer
MP3 player
Which is an example of a coexisting technology?
ballpoint pen
computer mouse
tablet computer
MP3 player
Answer:
Mp3 player I think
Explanation:
Sorry if it is wrong but hope this helps
True or false - DNA and RNA store heredity to make proteins?
in my own opinion I think it's false ..,
what is the representative organism for sponges??
Worth 20 points!!!
Answer:
phylum Porifera
Explanation:
Sponges constitute the phylum Porifera, and have been defined as sessile metazoans (multicelled immobile animals) that have water intake and outlet openings connected by chambers lined with choanocytes, cells with whip-like flagella.
Which of the following are not true of exocytosis? A.it occurs at the cell membrane B.it does not require energy C.it needs a vesicle to move the matter D.it expells matter out of the cell
Answer:C is wrong exocytosis only needs a transport protein and atp
Explanation:
The statement which is not true is it needs a vesicle to move the matter. Thus, option C is correct.
What is cell?
Cell is defined as the base of life as it is the structural as well as functional unit of life. Cell is made up of pre existing cells and the cell contain various cell organelles such as mitochondria, endoplasmic reticulum, ribosomes, golgi appratus, nucleus, and cytoplasm.
Basically,cell is of two type one in prokaryotic and another one is eukaryotic. The prokaryotic cell is known as pre mature cells as they do not contain cell organelles and eukaryotic cell are known as advanced and developed cells as they contain several cell organelles.
The unicellular animals are made up of single cell and all the functions carried out in a single cell like amoeba and multicellular organisms are made up of multiple cells and there is specific cell for specific functions.
Therefore,The statement which is not true is it needs a vesicle to move the matter. Thus, option C is correct.
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Which of the following does not affect the ability of enzymes being used
correctly?
ODNA
O temperature
the amount
changing the acidity level (pHO
Answer:
The amount
Explanation:
Acidity, temperature and DNA effect enzymes so the amount is the only one that doesn't.
What is the energy change taking place when plants make food in the presence of sunlight?
Potential energy is transformed into kinetic energy.
Kinetic energy is transformed into potential energy.
Chemical energy is transformed into radiant energy.
Radiant energy is transformed into chemical energy.
Answer:
radiant energy is transformed into chemical energy
Explanation:
sunlight is ntg but radiation (UV), Iit falls on leafs surface and with the help of photosynthesis leaf converts radiation to chemical energy
Answer:
The answer would be D
Explanation:
Radiant energy is transformed into chemical energy
help please thanks This is for Science
Answer:
no he got banned
Ex
planation:
please help me o will mark brainly
Answer:
duplication RNA
Explanation:
what is a good hypothesis for, how does heart rate change during and after an exercise is performed for two different periods of time?
Grizzly bears have a diploid number of 74 chromosomes in their body cells. How many chromosomes were in each of the male's sperm cells?.
Answer:
74 ÷ 2 = 37
since it's only one gamete cell then it's twice less the number
How is it possible that the reactants and products for both chemical equations have the same quantity of carbon, hydrogen, and oxygen atoms, yet the reactants and products are different molecules?
Answer:
Yes, this may be a little confusing when taking a first glance at the chemical equation.
Explanation:
You see, the whole process of balancing an equation is to make sure the reactants and products have the same amount of mass/atoms.
With that being said, the products to appear to be different after going through the chemical change. this is because of what was happening through that process. But, all of these atoms are still within the final product.
For example, if you take water in a container, one with a lid and one without a lid, then you heat up both containers of water, the container that has the lid open will seem like the water is gone, that the atoms are not the same. Actually, if we take a look at the closed container, all of that gas that was formed from the water still has the same amount of atoms contained in it. As for the open lid container, the atoms are all there, but some of them was just released into the air outside of the jar, making it seem like there is less.
#teamtrees #WAP (Water And Plant)
The study of chemicals is called chemistry.
It is possible to have different chemical properties but the same number of elements present in the reactant and the product.
According to the law of mass of conservation of the mass. it states that the number of elements present in the reactant and the product will always remain the same.
Hence, according to this law, the mass and the quantity of the element are the same but the bonds and the arrangement of the elements are different which causes different chemical behavior.
Hence, it is possible.
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Which statement best describes a portion of the molecule represented below?
a. It consists of many ribose sugars
b. It unites with amino acids in the cytoplasm
c. It contains uracil, which functions in protein synthesis
d. It consists of alternating phosphates groups and deoxyribose molecules
Answer:
d. It consists of alternating phosphates groups and deoxyribose molecules
Explanation:
The statement above best describes a portion of the molecule that is represented here.
Actually, the molecule represented here is the Deoxyribonucleic acid (DNA). The molecule is composed of two polynucleotide. The DNA carries genetic properties that lead to growth, development, reproduction and functioning of organisms. The phosphate group and deoxyribose molecule are found attached to the DNA. The phosphate group is also found in RNA and in ATP. The deoxyribose is known to be a five-carbon sugar molecule which helps to form the phosphate backbone of DNA molecules.
The given molecule is consists of alternating deoxyribose molecules and phosphates groups.
DNA:
It is the biomolecule that is made up of nucleotide polymers. Nucleotide are made up deoxiribose sugar, phosphate, and nitrogenous bases.
In a DNA strand one nucleotide link with another by the phosphodiester bond in which 3' OH of pentose sugar bond with 5' OH of phosphate.
Therefore, the given molecule is consists of alternating deoxyribose molecules and phosphates groups.
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Viruses are particles that Select one: a. contain DNA or RNA which can be injected into a cell. b. have an exterior coat composed of protein. c. can contain an enzyme which catalyzes the reaction to make DNA from the viral RNA. d. All of these answer choices are correct.
Answer:
d. All of these answer choices are correct.
Explanation:
Viruses have an exterior coat composed of protein, the capsid. Inside of it, there is DNA or RNA. When the virus has RNA, it has an enzyme that allows the synthesis of DNA from RNA. This type of virus is a retrovirus since it does the inverse process, from RNA, it gives DNA and not the other way round.
First, as the capsid has proteins, it attaches to a receptor in the cell's membrane. Then the DNA or ARN enters the cell taking it as a host since it uses the cell's structure to replicate the viral DNA and make viral proteins and DNA that then it assembles to form new viruses that will be released to infect other cells.
Which structure is correctly paired with its function? (1) testis — produces nutrients for the offspring (2) placenta — allows nutrients to diffuse from the mother to the embryo (3) uterus — produces testosterone used in egg production (4) ovary — provides a place for the internal development of the embryo
Answer:
(2) the placenta allows nutrients to diffuse from the mother to the embryo.
Explanation:
The placenta is a shared organ between the mother and the embryo. It diffuses the necessary nutrients from the mother to the future baby and the residues from this one to the mother, so that she can expel them. The placenta separates the mothers and the embryo blood, but it allows the diffusion of said nutrients and wastes through especial parts of the placenta with thin walls.
Prairies, steppes, and pampas are types of
a.
chaparral.
c.
deserts.
b.
tundra.
d.
grasslands.
Answer:
Grasslands
Explanation:
From a single fertilized ovum undergoing a series of rapid cell divisions, a human infant develops. The embryonic cells become specialized for a variety of functions. Which of these statements best describes how different cell types develop
Answer:
Each cell has an identical copy of DNA with enzymes controlling the expression of specific genes, leading to a variety of cells
Explanation:
Each cell type contains only the active parts of the DNA needed for that cell type Each cell type has only one chromosome containing the DNA needed for that cell type. Each cell has an identical copy of DNA with enzymes controlling the expression of specific genes, leading to a variety of cells Each cell has multiple copies of DNA that are affected in different ways by the environment to change the function of the cell at regular intervals.The correct answer would be that each cell has an identical copy of DNA with enzymes controlling the expression of specific genes, leading to a variety of cells .
Cell differentiation occurs when a specific segment of the DNA of a cell is expressed during gene regulation and control. The segment of DNA expressed would be dependent on the function the cell is meant to perform. Thus, if cell A is meant to perform an excretory role and cell B is meant to perform a digestive role, even though cells A and B contain the same DNA, different segments of their DNAs would be expressed so that each cell becomes adapted to its role.
Question 4 (1 point)
If non-disjunction occurred during meiosis II, would any of the resulting cells end up
being haploid?
NO or
YES
Answer:
Yes
Explanation:
What is one way that Earth's ocean currents help regulate global climate?
A.
by creating an uneven distribution of the Sun's energy across Earth's surface
B.
by moving warm water and precipitation from the Equator toward the poles
C.
by carrying cold water and floating ice from the Equator toward the poles
D.
by transmitting sunlight from the ocean surface to the ocean floor
By moving warm water and precipitation from the equator to the poles and cold water from the poles back to the tropics, ocean currents function much like a conveyor belt, hence option B is correct.
What are Earth's ocean currents?Global climate is regulated by ocean currents, which also assist to balance out the unequal distribution of solar energy hitting Earth's surface.
Sunlight energy is absorbed and stored by the ocean, which controls the temperature of the Earth's atmosphere. More than half of the solar energy that reaches Earth's surface is absorbed by the ocean, which both absorbs and releases heat more slowly than land.
By moving warm water and precipitation from the equator to the poles and cold water Global climate is regulated by currents, which assist balance out the unequal distribution of solar energy that reaches the surface of the Earth.
Therefore, by moving warm water and precipitation from the equator to the poles and cold water from the poles back to the tropics, hence option B is correct.
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Which is the simplified form of x-12?
A.x12
B.– x12
C.1
12
D.1
+12
The simplified form of [tex]X^{-12}[/tex] would be [tex]\frac{1}{X^{12}}[/tex]
Law of IndicesAccording to one of the laws of indices:
[tex]X^{-1}[/tex] is the same thing as [tex]\frac{1}{X}[/tex]
Following this rule, [tex]X^{-12}[/tex] with thus be [tex]\frac{1}{X^{12}}[/tex]
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what is gene?denfine gene
Answer:
Gene- Segments of DNA that are the basic unit of heredity in organisms and are transferred from parent to offspring.
Explanation:
:)
Answer:
gene
Explanation:
In biology, A gene is the basic physical and functional unit of heredity. Genes are made up of DNA and each chromosome contains many genes.
hope it helps!
It is a test please help
Which organ is not connected to its system?
a) Spinal cord – Nervous system
b) Large intestine – Digestive System
c) Testes – Reproductive system
d) Kidney – Circulatory system
Answer:
Kidney is not connected to its system
Explanation:
the kidney belongs to the renal system
Active
1
2
Which of the following are forms of asexual reproduction? Select three options.
zygote formation
binary fission
fertilization
fragmentation
sporulation
Answer:
we have fission fragmentation and sporulation
Answer:
2 4 and 5 (Binary fusion, fragmentation, sporulation)
Explanation:
These are all right because I took the quiz and got a 100%
Which characteristic of a protein may change during a DNA mutation?
Answer:
Sequence of amino acids by the ribosome are the characteristic of a protein may change during a DNA mutation. Explanation: Point mutations can cause significant changes to an organism if they alter the way a protein functions. A mutation in DNA changes the mRNA, which in turn will change the amino acid chain.......
Explanation:
Answer: characteristic of a protein
Explanation: Sequence of amino acids by the ribosome are the characteristic of a protein may change during a DNA mutation.