Myelination of Motor Pathways

question 70

Multiple Choice

Myelination of motor pathways:

• A) increases the speed at which an infant can process cognitive information.
• B) begins during the fifth month of pregnancy and continues till birth.
• C) results in poorly coordinated motor movements.
• D) allows neonates to show stereotyped reflexes.

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Definitions:

Anaphase

Stage of mitosis during which sister chromatids separate and move toward opposite spindle poles.

Opposite Poles

Refers to the two extremities of an axis, having completely contrasting characteristics, typically used in the context of magnets or geographical poles.

Telophase

A phase of cell division in which chromosomes arrive at opposite poles of the cell and begin to de-condense, leading to the reformation of nuclear envelopes.

Anaphase

A phase of mitosis and meiosis during which the chromosomes separate and move to opposite ends of the cell.