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2020智慧树答案 细胞生物学(2019秋冬) 最新知到章节测试答案

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发表于 2020-2-16 22:48:24 | 显示全部楼层 |阅读模式

本站可预览答案为见面课、绪论、第一章、第二章。其余剩下的均需付费购买。

第二章 单元测试

1、判断题:
Prokaryotic and eukaryotic cells are distinguished by the size and the types of internal structures, especially if there is nuclear envelope.

选项:
A:对
B:错
答案: 【

2、判断题:
Plant cells have chloroplasts for photosynthesis whereas animal cells do not have

选项:
A:对
B:错
答案: 【

3、判断题:
The mesosome is plasma membrane enfolding and involved in cell division and energy releasing reactions of eukaryotic cells. 

选项:
A:对
B:错
答案: 【

4、判断题:
The DNA is the growing and developing basis of life.

选项:
A:对
B:错
答案: 【

5、判断题:
All cells share similar structure, composition and metabolic features: Plasma membrane, DNA/RNA, and Ribosome.

选项:
A:对
B:错
答案: 【

6、单选题:
Definition of  Nucleoid 

选项:
A:It is a unicellular organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle.
B:It is the smallest and simplest self-replicating prokaryote.
C:It is an irregularly shaped region within the cell of a prokaryote that contains all or most of the genetic material.
D:Cells have a cell nucleus and other organelles enclosed within membranes.
E:It is folded invaginations in the plasma membrane of bacteria.
答案: 【It is an irregularly shaped region within the cell of a prokaryote that contains all or most of the genetic material.

7、单选题:
Definition of Mycoplasma

选项:
A:It is a unicellular organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle.
B:It is the smallest and simplest self-replicating prokaryote.
C:It is an irregularly shaped region within the cell of a prokaryote that contains all or most of the genetic material.
D:Cells have a cell nucleus and other organelles enclosed within membranes.
E:It is folded invaginations in the plasma membrane of bacteria.
答案: 【It is the smallest and simplest self-replicating prokaryote.

8、单选题:
Definition of Prokaryotic cell

选项:
A:It is a unicellular organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle.
B:It is the smallest and simplest self-replicating prokaryote.
C: It is an irregularly shaped region within the cell of a prokaryote that contains all or most of the genetic material.
D:Cells have a cell nucleus and other organelles enclosed within membranes.
E:It is folded invaginations in the plasma membrane of bacteria.
答案: 【It is a unicellular organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle.

9、单选题:
Definiton of Mesosome

选项:
A:It is a unicellular organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle.
B:It is the smallest and simplest self-replicating prokaryote.
C:It is an irregularly shaped region within the cell of a prokaryote that contains all or most of the genetic material.
D:Cells have a cell nucleus and other organelles enclosed within membranes.
E:It is folded invaginations in the plasma membrane of bacteria.
答案: 【It is folded invaginations in the plasma membrane of bacteria.

10、单选题:
Definition of Eukaryotic cell

选项:
A:It is a unicellular organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle.
B:It is the smallest and simplest self-replicating prokaryote.
C:It is an irregularly shaped region within the cell of a prokaryote that contains all or most of the genetic material.


D:Cells have a cell nucleus and other organelles enclosed within membranes.
E: It is folded invaginations in the plasma membrane of bacteria.
答案: 【Cells have a cell nucleus and other organelles enclosed within membranes.

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