110414 류승수 문제 - 在线考试测评模板

:1、학번？(0分)【填空题】

:2、이름？(0分)【填空题】

Q1:3、Which of the following is not correct about role of cytoskeleton? （12.5分）【单选题】

(A) It maintains the cell’s shape.

(B) It controls the position of organelles within the cell by anchoring them to the plasma membrane.

(C) It is involved with the flow of the cytoplasm, known as cytoplasmic streaming.

(D) It maintains the balance between Na+ and K+.

Q2:4、Which of the following is not included in three stages of cell signaling? （12.5分）【单选题】

(A) Reception

(B) Amplification

(C) Transduction

(D) Response

Q3:5、Which of the following is not the reason of apoptosis? （12.5分）【单选题】

(A) When cells or tissues are no longer needed during embryonic development

(B) When the cell has sustained too much genetic damage that can lead to cancer

(C) When the plants defense themselves against fungi and bacteria

(D) When the energy needed for life is lacking

Q4:6、Which of the following is not true about sodium-potassium pump?

（12.5分）【单选题】

(A) It requires ATP to operate.

(B) It transports three Na+ and two K+.

(C) It is embedded in plasma membrane.

(D) It enables the occurrence of action potential.

Q5:7、Which of the following is not included in local signaling? （12.5分）【单选题】

(A) Paracrine signaling

(B) Chemical signaling

(C) Synaptic signaling

(D) Autocrine signaling