광저우한국학교 김성재 (110203)-调查问卷模板-问卷网

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1. 학번？(0分)【填空题】

2. 이름？(0分)【填空题】

3. Which of the following is not true about functions of smooth ER? （20分）【单选题】

(A) It assists in the synthesis of steroid hormones, like sex hormones, and of other lipids.

(B) Contain catalase, which converts hydrogen peroxide (H2O2) into water with the release of oxygen atoms.

(C) Stores Ca++ ions in muscle cells to facilitate normal muscle contractions.

(D) Detoxifies drugs and poisons from the body.

4、Which of the following is incorrect about what microfilaments enable other things to do?

（20分）【单选题】

(A) Animal cells to form a cleavage furrow during cell division.

(B) Skeletal muscles to contract as they slide along myosin filaments.

(C) Chromosomes to separate during mitosis and meiosis and consist of microtubules organized into 9 triplets with no microtubules in the center.

(D) Ameba to move by sending out pseudopods.

5、What is the difference between simple and facilitated diffusion?【单选题】

(A) Simple diffusion does not involve protein channels, but facilitated diffusion does.

(B) Simple diffusion and facilitated diffusion are similar in that both involve movement down the concentration gradient.

(C) simple and facilitated diffusion are passive processes

(D) some molecules in both simple and facilitated diffusion will be able to diffuse into the cell

6. Which of the following is not one of the stages in the three stages of cell signaling?

（20分）【单选题】

(A) Reception

(B) Duplication

(C) Transduction

(D) Response

7、Which of the following correctly points out about prokaryotes?

( 20分）【单选题】

(A) Contain distinct membrane-bound organelles.

(B) Mainly multicellular with differentiation of cell types.

(C) DNA wrapped with histone proteins into chromosomes.

(D) Ribosomes are very small.

광저우한국학교 김성재 (110203)