Which of the Following Best Describes How Chromosomes Move Toward

question 51

Multiple Choice

Which of the following best describes how chromosomes move toward the poles of the spindle during mitosis?

• A)The chromosomes are "reeled in" by the contraction of spindle microtubules.
• B)Motor proteins of the kinetochores move the chromosomes along the spindle microtubules.
• C)Non-kinetochore spindle fibers serve to push chromosomes in the direction of the poles.
• D)both A and B
• E)A, B, and C

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Definitions:

Prefrontal Cortex

The front part of the frontal lobes of the brain, involved in complex behaviors such as decision making, planning, and moderating social behavior.

Delayed-response Task

A test of memory and cognitive function requiring an individual to remember a stimulus or information over a period of time before responding.

Neurotransmitters

Chemical substances in the body that transmit signals from one neuron to another across synapses.

Glia

Non-neuronal cells in the central and peripheral nervous system that support, protect, and nourish neurons.