The role of glial cells is 神经胶质细胞的作用是 ✓\checkmark A.Support ✓\checkmark A.支持 ✓\checkmark B.NurturingC.Signal Sending ✓\checkmark B.培育C.信号发送
D.Insulation D.绝缘
Neurons usually have only one axon, which is longer than dendrites and is responsible for transmitting signals from the cell body. 神经元通常只有一个轴突,它比树突长,负责传递来自细胞体的信号。
对
( 错
arrow refer to? 箭头是指?
A.Output A.输出
B.Input B.输入
C.Trigger C.触发器
D.Conductile D.导电
Which of the following structures does an electrical synapse contain? 电突触包含以下哪些结构?
A.presynaptic Knob A.突触前旋钮
B.gap junctions B.间隙连接
C.synaptic cleft C.突触裂
D.postsynaptic membrane D.突触后膜
Protein synthesis can occur in axons. 蛋白质合成可以发生在轴突中。
( 对
( - 错
synapse. 突触。
对 5//335 / 33 多选题(分值5.0分,难度:中) 5//335 / 33 多选题(分值5.0分,难度:中)
( 错
A person can’t feel the taste of food. Maybe there is something wrong with which of the following neurons. 一个人感觉不到食物的味道。也许以下哪个神经元有问题。 ✓\checkmark A.Sensory neuron ✓\checkmark A.感觉神经元 ✓\checkmark B.Interneurons ✓\checkmark B.中间神经元
Electrical synapses transmit signals faster than chemical synapses. 电突触传输信号的速度比化学突触快。
对
C.Motor neuron C.运动神经元
错
Neurons cannot regenerate. 神经元无法再生。
对
( 错
The water molecule in the picture is 图中的水分子是
A.A
B.B
C.C CC
hydrophobic. 狂犬病的。
错
13133 单选题(分值3.0分,难度:中)
Which part of the picture 图片的哪个部分
is hydrophobic? 是疏水的吗?
( A.A ( A.A
B.B
C.C CC
Which of the following is the ion selectivity of ion channels? 以下哪项是离子通道的离子选择性? ✓\checkmark A. Potassium ions cannot pass through sodium channel ✓\checkmark A. 钾离子不能通过钠通道 ◻\square B.Sodium channels open during depolarization ◻\square B.去极化过程中钠通道打开 ✓\checkmark
Codium ions cannot pass through potassium channel C. 镓离子不能通过钾通道 C。
D.Calcium channels open during depolarization D.去极化过程中钙通道打开
lon pumps are enzymes that use the energy released by the breakdown of ( ) to transport certain ions across the membrane LON 泵是利用 ( ) 分解释放的能量跨膜运输某些离子的酶
A.ATP
B.TTP
C.CTP
D.GTP
16/33 多选题(分值5.0分,难度:中)
Sodium chloride is dissolved on the left. After few hours, which membrane potential in the figure is not 0 . 氯化钠溶解在左侧。几个小时后,图中的膜电位不是 0 。 17//3317 / 33 判断题(分值2.0分,难度:中) 17//3317 / 33 判断题(分值2.0分,难度:中)
Is this picture correct? 这张图片正确吗?
对
错
Depolarization of the membrane causes action potential. 膜的去极化导致动作电位。
对
错
In scientific research, researchers often use the following methods to cause depolarization. 在科学研究中,研究人员经常使用以下方法引起去极化。
A.Membrane stretching A.膜拉伸
B.Neurotransmitter release B.神经递质释放
C.Injection of current C.电流注入
18133 单选题(分值3.0分,难度:中)
part of the picture is depolarization of the action potential? 图片的一部分是动作电位的去极化?
A.A
B.B
C.C CC
D.D 19//3319 / 33 单选题(分值3.0分,难度:中) 19//3319 / 33 单选题(分值3.0分,难度:中)
part of the picture is repolarization of the action potential? 图片的一部分是动作电位的复极化?
A.A
B.B
C.C CC
D.D
23/33 多选题(分值5.0分,难度:中)
For sodium channels, which are correct in the figure.A.A 对于钠通道,这在图中是正确的。A.A ✓\checkmark
B.BC.CD.D
24133 多选题(分值5.0 分,难度:中)
what stage will the opening of sodium channels occur? 钠通道的开放将发生在哪个阶段? ✓quad B.B\checkmark \quad B . B ◻\square C.C ◻\square CC ◻\square D.D ◻\square D.D 25//3325 / 33 判断题(分值2.0分,难度:中) 25//3325 / 33 判断题(分值2.0分,难度:中)