2020 细胞生物学及实验（何九军）(陇南师范高等专科学校) 最新满分章节测试答案

文章目录[隐藏]

Introduction of Molecular cell biology Cell theory-test
Biomembrane Structure Biomembrane Structure-test
Culturing and visualizing cells Culturing and visualizing cells-test

本答案对应课程为:点我自动跳转查看
本课程起止时间为:2020-02-25到2020-06-29
本篇答案更新状态:已完结

Introduction of Molecular cell biology Cell theory-test

1、问题:What did Leeuwenhoek do?
选项：
A: Looked at cork
B:Stated that plants are made of cells
C: Stated that animals are made of cells
D:Used simple light microscope and saw microorganisms
答案: 【Used simple light microscope and saw microorganisms】

2、问题:He discovered that all animals were made of cells, which contributed to the development of the cell theory:
选项：
A:A.van Leeuwenhoek
B: Robert Hooke
C: Zacharias Jansse
D:Theodor Schwann
答案: 【Theodor Schwann】

3、问题:Who was the first person to see cells under the microscope and give them a name?
选项：
A:A.van Leeuwenhoek
B:Robert Hooke
C:Theodor Schwann
D:Zacharias Jansse
答案: 【Robert Hooke】

4、问题:Which of the following is NOT one of the main components of the cell theory?
选项：
A:cells must contain DNA
B: all living things are made of cells
C:cells can only come from other cells
D:cells are the basic unit of life
答案: 【cells must contain DNA】

Biomembrane Structure Biomembrane Structure-test

1、问题:All the following statements describe biomembranes except:
选项：
A:Different biomembranes may contain different proportions of the same phospholipids.
B: The two leaflets of a biomembrane may contain different phospholipids.
C: Some biomembranes have free edges.
D:Some phospholipids and cholesterol may cluster to form lipid rafts.
答案: 【 Some biomembranes have free edges.】

2、问题: The major site of lipid synthesis in eukaryotic cells is the
选项：
A:Nucleus
B:Endoplasmic reticulum
C:Mitochondria
D:Cell membrane
答案: 【Endoplasmic reticulum】

3、问题:Phospholipids with short or unsaturated fatty acyl chains
选项：
A:decrease membrane fluidity.
B:increase membrane fluidity.
C: cause biomembranes to become thicker
D:allow hydrophilic molecules to diffuse across the lipid bilayer.
答案: 【increase membrane fluidity.】

4、问题: The _ are transmembrane proteins.
选项：
A:lipid-anchored membrane proteins
B:integral membrane proteins
C:peripheral membrane proteins
D:extracellular matrix proteins
答案: 【integral membrane proteins】