题目内容

Synaptic vesicles store:突触小泡储存：

A. lipofuscin.
B. smooth endoplasmic reticulum (SER).
C. enzymes for degrading the neurotransmitter.
D. myelin.
E. neurotransmitter.

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Which of the following best describes a neurotransmitter?以下哪一项最能描述神经递质？

A neurotransmitter is like a lock that fits into a special key.
B. A neurotransmitter is the space between the pre- and post-synaptic cleft.
C. A neurotransmitter is like a key that fits into a lock (the receptor).
D. All of the above are correct.

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True or False? All neurons have only one dendrite.所有神经元只有一个枝晶。

A. TRUE
B. FLASE

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True or false? Lipofuscin is an organelle that digests old and damaged cell components.脂褐素是一种细胞器，可以消化旧的和受损的细胞成分。

A. TRUE
B. FLASE

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The portion of the neuron that carries a nerve impulse away from the cell body is the:携带神经冲动远离细胞体的神经元部分是：

A. dendrite.
B. nissle body.
C. synaptic end bulb.
D. axon.

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Synaptic vesicles store:突触小泡储存：

A. lipofuscin. B. smooth endoplasmic reticulum (SER). C. enzymes for degrading the neurotransmitter. D. myelin. E. neurotransmitter.

Which of the following best describes a neurotransmitter?以下哪一项最能描述神经递质？

True or False? All neurons have only one dendrite.所有神经元只有一个枝晶。

True or false? Lipofuscin is an organelle that digests old and damaged cell components.脂褐素是一种细胞器，可以消化旧的和受损的细胞成分。

The portion of the neuron that carries a nerve impulse away from the cell body is the:携带神经冲动远离细胞体的神经元部分是：

A. lipofuscin.
B. smooth endoplasmic reticulum (SER).
C. enzymes for degrading the neurotransmitter.
D. myelin.
E. neurotransmitter.