Answer:
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Explanation:
Answer:
Mitochondria
Explanation:
The enzymatic reactions of cellular respiration begin in the cytoplasm, but most of the reactions occur in the mitochondria.
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<span>After immunizations, the weakened vaccine viruses or bacteria replicate (grow) in the vaccinated person. This means a relatively small dose of virus or bacteria can be given in order to stimulate an immune response.</span>
<span>The
cells in this experiment were macrophages. These immune system cells
have many lysosomes for the destruction of bacteria and other invaders
brought into the cell via phagocytosis. The enzymes (hydrolases) that
carry out this catabolic activity are synthesized in the endoplasmic
reticulum, modified in the Golgi, and transported to the lysosomes.</span>
Food availability
<span>Predator populations </span>
<span>Disease and parasites</span>