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: 【对】
2、判断题：
Plant cells have chloroplasts for photosynthesis whereas animal cells do not have.
选项：
A:对
B:错
答案: 【对】
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: 【错】
4、判断题：
The DNA is the growing and developing basis of life.
选项：
A:对
B:错
答案: 【错】
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: 【对】
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.】
第三章 单元测试
1、判断题：
The light source in a fluorescent microscope produces a beam of fluorescence that travels through a filter, which blocks all wavelengths except that which is capable of exciting the fluorophore (荧光基团).
选项：
A:对
B:错
答案: 【错】
2、判断题：
Transmission electron microscopes (TEMs) form images using electrons that are transmitted through an ultrathin specimen.
选项：
A:对
B:错
答案: 【对】
3、判断题：
Negative Staining is well suited for examining very small particulate materials, such as viruses, ribosomes and protein complexes.
选项：
A:对
B:错
答案: 【对】
4、判断题：
The fluorescent proteins (FPs) can be used to study the spatial and temporal distribution of RNA in living cells.
选项：
A:对
B:错
答案: 【错】
5、判断题：
The electron microscope can provide vastly greater resolution than the light microscope.
选项：
A:对
B:错
答案: 【对】
6、单选题：
Definition of Laser scanning confocal microscopy
选项：
A: It is based on the observation that two single-stranded nucleic acid molecules of complementary base sequence can form a double stranded hybrid.
B:Technique whereby two different types of cells (from one organism or from different species) are joined to produce one cell with one, continuous plasma membrane.
C:The specimen is illuminated by a finely focused laser beam that rapidly scans across the specimen at a single depth, thus illuminating only a thin plane (or “optical section”) within the specimen.
D:The smallest distance between two points on a specimen that can still be distinguished as two separate entities.
E:They are made by identical immune cells from a unique parent cell.
答案: 【The specimen is illuminated by a finely focused laser beam that rapidly scans across the specimen at a single depth, thus illuminating only a thin plane (or “optical section”) within the specimen.】
7、单选题：
Definition of Resolution/Resolving Power
选项：
A:It is based on the observation that two single-stranded nucleic acid molecules of complementary base sequence can form a double stranded hybrid.
B:Technique whereby two different types of cells (from one organism or from different species) are joined to produce one cell with one, continuous plasma membrane.
C:The specimen is illuminated by a finely focused laser beam that rapidly scans across the specimen at a single depth, thus illuminating only a thin plane (or “optical section”) within the specimen.
D:The smallest distance between two points on a specimen that can still be distinguished as two separate entities.
E:They are made by identical immune cells from a unique parent cell.
答案: 【The smallest distance between two points on a specimen that can still be distinguished as two separate entities. 】
8、单选题：
Definition of Nucleic acid Hybridization
选项：
A:It is based on the observation that two single-stranded nucleic acid molecules of complementary base sequence can form a double stranded hybrid.
B:Technique whereby two different types of cells (from one organism or from different species) are joined to produce one cell with one, continuous plasma membrane.
C:The specimen is illuminated by a finely focused laser beam that rapidly scans across the specimen at a single depth, thus illuminating only a thin plane (or “optical section”) within the specimen.
D:The smallest distance between two points on a specimen that can still be distinguished as two separate entities.
E:They are made by identical immune cells from a unique parent cell.
答案: 【It is based on the observation that two single-stranded nucleic acid molecules of complementary base sequence can form a double stranded hybrid. 】
9、单选题：
Definition of Monoclonal Antibodies
选项：
A:It is based on the observation that two single-stranded nucleic acid molecules of complementary base sequence can form a double stranded hybrid.
B:Technique whereby two different types of cells (from one organism or from different species) are joined to produce one cell with one, continuous plasma membrane.
C:The specimen is illuminated by a finely focused laser beam that rapidly scans across the specimen at a single depth, thus illuminating only a thin plane (or “optical section”) within the specimen.
D:The smallest distance between two points on a specimen that can still be distinguished as two separate entities.
E:They are made by identical immune cells from a unique parent cell.
答案: 【The smallest distance between two points on a specimen that can still be distinguished as two separate entities.】
10、单选题：
Definition of Cell Fusion/Cell Hybridization
选项：
A:It is based on the observation that two single-stranded nucleic acid molecules of complementary base sequence can form a double stranded hybrid.
B:Technique whereby two different types of cells (from one organism or from different species) are joined to produce one cell with one, continuous plasma membrane.
C:The specimen is illuminated by a finely focused laser beam that rapidly scans across the specimen at a single depth, thus illuminating only a thin plane (or “optical section”) within the specimen.
D:The smallest distance between two points on a specimen that can still be distinguished as two separate entities.
E:They are made by identical immune cells from a unique parent cell.
答案: 【Technique whereby two different types of cells (from one organism or from different species) are joined to produce one cell with one, continuous plasma membrane.】
第四章 单元测试
1、单选题：
In general, the glycosyls (糖基) of glycoproteins and glycolipids in the plasma membrane: （ ）
选项：
A:Are on the outer leaflet of the plasma membrane, facing the environment of a cell.
B:Are on the inner leaflet of the plasma membrane, facing the cytosol.
C:Are equally distributed on the inner and outer surface of the plasma membrane.
D: Occur only in internal membranes.
答案: 【Are on the outer leaflet of the plasma membrane, facing the environment of a cell.】
2、单选题：
You stain membrane proteins with a fluorescent-labeled antibody and notice the membrane is evenly stained. After a few hours, all of the fluorescence is at one end of a cell. You can conclude that ( ).
选项：
A: Lipids flip-flop in the membrane
B:Proteins move laterally in the membrane
C:The fluorescent dye was bleached
D:Proteins act as transporters
答案: 【Proteins move laterally in the membrane】
3、判断题：
Maintenance of the lipid bilayer in the plasma membrane requires special enzymes and the hydrolysis of ATP.
选项：
A:对
B:错
答案: 【错】
4、判断题：
Membrane proteins are the functional units of cell membrane.
选项：
A:对
B:错
答案: 【对】
5、判断题：
The biomembrane is asymmetric, but the distribution of cholesterols in the lipid bilayer is generally uniform.
选项：
A:对
B:错
答案: 【错】
第六章 单元测试
1、单选题：
Proteins destined to chloroplast are transported by the way of ( )
选项：
A:Vesicular transport
B:Transmembrance transport
C:Gated transport
D:Remain
答案: 【Transmembrance transport】
2、单选题：
The observation that isolated F1 particles have ATPase activity suggests that ( )
选项：
A:Electron transport requires energy derived from ATP hydrolysis.
B:The normal enzymatic activity of the particle is reversible.
C:These particles have been irreversibly inactivated.
D:Electron transport is still functioning.
答案: 【The normal enzymatic activity of the particle is reversible.】
3、单选题：
Which of the following proteins would not be found in Mitochondria? ( )
选项：
A:Adenylate kinase
B:Cytochrome P450
C:Malate dehydrogenase
D:ATP synthase
答案: 【Cytochrome P450】
4、单选题：
Which cell type is likely to have Chloroplasts ? ( )
选项：
A:Adipose cells
B:Red blood cell
C:Liver cells
D:Plant cells
答案: 【Plant cells】
5、单选题：
Which of the following about Chloroplasts and Mitochondria is NOT true? ( )
选项：
A:Both mitochondria and chloroplasts have Semi-independence.
B:The function of the chloroplasts is photosynthetic phosphorylation, while the function of the Mitochondrial is oxidative phosphorylation.
C:The proliferation of mitochondria and chloroplast can be by split.
D:Both mitochondria and chloroplasts have CF0F1 ATP synthetase.
答案: 【Both mitochondria and chloroplasts have CF0F1 ATP synthetase. 】
第九章 单元测试
1、单选题：
The second messenger that activates PDK is? ( )
选项：
A:PIP2
B:Raft
C:PDK
D:PKA
答案: 【PKA】
2、单选题：
A SNARE is（ ）
选项：
A:Any soluble protein present within vesicles.
B:An integral protein that selects specific cargo proteins.
C:An integral protein in the nuclear membrane.
D:An integral protein that functions to help vesicles dock to target membranes.
答案: 【An integral protein that functions to help vesicles dock to target membranes.】
3、单选题：
Which of the following components is NOT required for NO signal pathway？ ( )
选项：
A: Ion channel linked receptor
B:Nitric oxide synthase
C:Protein kinase G（PKG）
D:Guanylyl cyclase（GC）
答案: 【 Ion channel linked receptor 】
4、单选题：
Ca2+ is crucial for the regulation of protein activity and function. Which of the following structures is Not the place for Ca2+ storage？( )
选项：
A:ER
B:Nuclear pore complex (NPC)
C: The extracellular space
D:Mitochondrion
答案: 【Nuclear pore complex (NPC)】
5、单选题：
The structure recognized by SH2 domain is catalyzed by ( )
选项：
A: PKA
B:PTK
C:PKC
D:PKB
答案: 【PTK】
6、判断题：
G protein-linked receptors are dimerized after recepting ligands and start next signaling pathway.( )
选项：
A:对
B:错
答案: 【错】
7、判断题：
Protein kinase A itself is different in different cell types, which explains why the effects of cyclic AMP vary depending on the target cell. ( )
选项：
A:对
B:错
答案: 【对】
8、判断题：
Signal molecule binds GPCR (G protein-coupled receptor) and causes conformational changes of the GPCR, which activates heterotrimeric G protein to further affect intracellular signaling proteins or target functional proteins. ( )
选项：
A:对
B:错
答案: 【对】
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