Plasmodesmata Can Change in Number, and When Dilated Can Provide

question 2

Multiple Choice

Plasmodesmata can change in number, and when dilated can provide a passageway for

• A) macromolecules such as RNA and proteins.
• B) ribosomes.
• C) chloroplasts.
• D) mitochondria.
• E) cytoskeletal components.

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Definitions:

Scrotum

In a male, the sac of skin below the pelvic cavity that contains the testes.

Fluid

A substance that has no fixed shape and yields easily to external pressure; can be a liquid, gas, or plasma.

Menopause

The time in a woman's life marking the end of her menstrual cycles, typically occurring 12 months after her last period.

Menstrual Cycles

The monthly series of changes a woman's body goes through in preparation for the possibility of pregnancy.