Why Is It Important That the Enzymes in Lysosomes Are

question 15

Multiple Choice

Why is it important that the enzymes in lysosomes are more active at acidic pH than at neutral pH?

• A)Since lysosomes are primarily found in the stomach acid of mammals,their pH dependence allows for maximum efficiency for the digestion of foodstuffs.
• B)It prevents their diffusion out of the lysosomes.
• C)It maximizes the interaction with their substrates which are always bases.
• D)It prevents them from accidentally degrading the macromolecules in the cytosol.
• E)It allows for regulation of their uptake by the mitochondria.

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Definitions:

Companion Cells

Specialized cells found in the phloem of plants that support the function of sieve tube elements by aiding in nutrient transport and metabolic processes.

Specialized Cells

Cells that have developed unique structures and functions to perform specific tasks within an organism.

Meristematic Tissue

Plant tissue found in areas of growth that consists of undifferentiated cells capable of cell division.

Determinate Growth

Growth of limited duration, as for example, in flowers and leaves. Compare with indeterminate growth.