Which Structure or Compartment Is Part of the Symplast

question 26

Multiple Choice

Which structure or compartment is part of the symplast?

• A) the interior of a vessel element
• B) the interior of a sieve tube
• C) the cell wall of a mesophyll cell
• D) an extracellular air space
• E) the cell wall of a root hair

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Definitions:

Myelination

The process of coating the axons of neurons with a fatty layer called myelin, which speeds up the transmission of neural signals.

Cerebellum

A region of the brain that plays a key role in motor control, coordination, precision, and accurate timing of movements, also involved in some cognitive functions.

Fetus

A developing mammal or human from the end of the embryonic period (in humans, approximately 8 weeks after conception) until birth.

Motor Development

The progression of muscular coordination and the ability of the body to move and manipulate objects, which occurs in stages from simple reflexes to complex movements.