Nucleation of Microtubules Takes Place Rapidly Inside a Cell,where It

question 21

Multiple Choice

Nucleation of microtubules takes place rapidly inside a cell,where it occurs in association with a variety of specialized structures called _____________.

• A)MTOCs
• B)the centrosome
• C)basal bodies
• D)microtubule-organizing centers
• E)All of the other answers

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Definitions:

Antagonist

In physiology, a muscle that acts in opposition to the action of another muscle, called the agonist; in pharmacology, a substance that inhibits the action of another substance.

Neuromodulator

A neuromodulator is a substance in the nervous system that modifies the functions of neurons, influencing how signals are transmitted across synapses.

Neurotransmitter

Chemical substances that transmit signals from one neuron to another across synapses, playing key roles in the functioning of the nervous system.

Reuptake

Process by which neurotransmitters are taken back into the synaptic vesicles.