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高二生物分享小测

Authored by YUET KANG LIM

Biology

11th Grade

Used 1+ times

高二生物分享小测
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10 questions

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1.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

Media Image

Name substance X. (IN ENGLISH)

(a)  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

图中右边所示是一个痛觉感受器(一个神经元),A、B、C、D 是四种不同的化学分子。请问哪一种化学分子会与痛觉感受器上的受体结合?(单选)

A

B

C

D

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

神经冲动在两个不同的神经元之间发生 ____ 。(单选)

单向传导

双向传导

单向传递

双向传递

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

神经递质作用于突触后膜之后【不会】发生的事情是:(单选)

突触后膜钠离子通道打开

神经递质被酶分解

神经递质进入突触后膜

突触后神经元去极化

5.

MULTIPLE SELECT QUESTION

1 min • 2 pts

Why do synaptic knobs contain numerous mitochondria? (TWO ANSWERS)

To generate electrical nerve impulses

To generate energy for the excretion of neurotransmitters

To generate energy for enzymes to decompose neurotransmitters

To generate energy for the synthesis of neurotransmitters

6.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

有关神经递质的叙述,错误的是:(单选)

神经递质发挥作用后,在突触间隙被酶分解而失活

神经递质只能单向传递

神经递质经转运蛋白进入突出前神经元需消耗能量

一种神经递质只能与特定的受体特异性结合

7.

MULTIPLE SELECT QUESTION

2 mins • 3 pts

以下哪些情况会【降低】神经冲动的传递效率?(多选)

突触后膜上的受体减少或失活

突触前膜的流动性降低

突触前神经元神经递质的合成量减少

突触间隙的酶失活

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