Answer:
A. Ribosome
Explanation:
Ribosome is a sub cellular structure, that is involved in protein synthesis.
Mitochondria is a sub cellular structure, where cellular respiration takes place, therefore it is called the energy house of the cell.
Cytoplasm is a jelly like structure in which sub cellular structures are found.
Nucleus is the main part of the cell in which all cellular activity is controlled by.
It contains DNA and RNA.
Nucleus is mostly known for it's thread like structure that contains hereditary information which is passed from parents to offspring.
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It can change one thing into onether witch sometimes can be bad
Because it is polar and it is to large to cross the membrane and because the concentration gradients are to strong so they have to be diffused.
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A control group take no part in any experiment, they simply do what they do normally in order to compare the results from someone who has done something differently (experiment) and someone who hasn't. Hope this helps
Answer:
there would be the equivelant to a very harsh winter
Explanation:
