A. It has organelles enclosed in membranes
Answer: These animals eat algae in the water.
Explanation: They clean the water in other words.
The statement that suggests that the shape of an enzyme determines its function, would be the fact that enzymes are specific to certain substrates, depending on the particular shape of an enzyme it can allow binding to specific substrates and allow for catalyzing that corresponding reaction.
<span>The organic substance making up the cells of all living things is protoplasm.
Whereas cytoplasm, tissue, and organelles definitely do exist in living things, they do not make up the cells of all living things.
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You can say it as "Constituent Particles" in another term..