Stable environment best describes the process of homeostasis.
Depending on the organism the number of chromosomes in a cell may change.
Different organisms have a different number of chromosomes, for example we have 46 and a fruit-fly(drosophila melanogaster) has 8.
Answer:
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Explanation:
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The correct answer is an active site.
The active site, in biology, refers to the region of an enzyme where the molecules of substrate combine and goes through a chemical reaction. The active site comprises of the residues, which produce temporary bonds with the binding site (substrate) and residues that catalyze a reaction of that substrate, that is, the catalytic site.