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Q: Which enzyme is present in all members of the animal except Protozoa?
  • A. Insulin
  • B. Pepsin
  • C. Renin
  • D. Amylase
Correct Answer: Option D - Amylase is present in all members of the animals except protozoa. Digestion in protozoa is carried on by several enzymes such as peptidase, proteinase, lipase etc. For example, insulin has important role in the glucose uptake of protozoa. However, protozoa lack amylase which is required for the digestion of starch. It is due to the absence of amylase that protozoa such as amoeba cannot digest fats and starch.
D. Amylase is present in all members of the animals except protozoa. Digestion in protozoa is carried on by several enzymes such as peptidase, proteinase, lipase etc. For example, insulin has important role in the glucose uptake of protozoa. However, protozoa lack amylase which is required for the digestion of starch. It is due to the absence of amylase that protozoa such as amoeba cannot digest fats and starch.

Explanations:

Amylase is present in all members of the animals except protozoa. Digestion in protozoa is carried on by several enzymes such as peptidase, proteinase, lipase etc. For example, insulin has important role in the glucose uptake of protozoa. However, protozoa lack amylase which is required for the digestion of starch. It is due to the absence of amylase that protozoa such as amoeba cannot digest fats and starch.