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kvasek [131]
3 years ago
14

3. Explain why do animalcells have mitochondria butno chloroplasts?​

Biology
1 answer:
MaRussiya [10]3 years ago
3 0

Answer:

Chloroplasts are the food producers of the cell. The organelles are only found in plant cells and some protists such as algae. Animal cells do not have chloroplasts. Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells.

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DNA extraction is a useful technique for scientists because it can be used _____. A. to see the nuclei of cells B. to absorb vir
ra1l [238]

DNA comprises the genetic makeup of every organism. It carries genetic information that is used by the organs in the body to determine what functions to carry out.


DNA cannot be used to see the nuclei of cells or absorb viruses. A person's personality cannot be determined from DNA.


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8 0
3 years ago
What happens in animal cells when mineral concentration is high and low in solution
slamgirl [31]

Answer:

Diffusion occurs when there is movement of minerals from an area of higher to lower concentration, till equilibrium is obtained.

Whereas Osmosis is the movement of solvents rather then the solute, from a solution of lower to a solution of higher concentration with the help of semipermeable membrane.

Explanation:

Diffusion is the movement of substances from area of higher concentration to an area of lower concentration of minerals, which mainly results in animal cells. Whether solute or solvent, diffusion occurs for both. Diffusion does not requires any semi permeable membrane. Diffusion occur in all state of matter, that solid, liquid and gas, whereas osmosis occurs only in liquid state. Osmosis requires semipermeable membrane and rate of which is related to concentration of solute dissolution in solvent medium. Only movement of solvent medium takes place. Classical example of osmosis is exhibited by cell membranes of animal cells. On the other hand diffusion is the spreading of perfume or fragrances to the external air.

6 0
2 years ago
This holds an organisms hereditary information.
Luba_88 [7]

Answer:

Deoxyribonucleic acid (DNA) hold the hereditary material that acts as a blueprint for the development and functioning of life process on the earth. It is a blueprint for every cell in every organism.

Its major function is to encode the DNA sequence of amino acid by using the triplet genetic code that code for a specific protein that perform a specific function in the body that are necessary for the normal function of the life processes.







4 0
3 years ago
Read 2 more answers
How could availability of food for the prey affect the number of predators?
defon
If the prey is not getting enough food, they will eventually die which affects the number of predators because then the predator species would also die
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5 0
3 years ago
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