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细胞生物学（厦门大学）
题数
141
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【多选题】
[1/141]Which of the following is/are substrates for polyubiquitination by the APC/C?
A.
Sic1
B.
Mitotic cyclins
C.
Securin
D.
Separase
参考答案：
B C
参考解析：
无
【单选题】
[2/141]The major site of lipid synthesis in eukaryotic cells is the
A.
Mitochondria
B.
Cell membrane
C.
Nucleus
D.
Endoplasmic reticulum
参考答案：
D
参考解析：
无
【单选题】
[3/141]Basal lamina include all of the following excepta. type I collagen.b. type IV collagen.c. lamini...
A.
c
B.
d
C.
b
D.
a
参考答案：
D
参考解析：
无
【单选题】
[4/141]Which of the following is a protein kinase?
A.
erythropoietin receptor
B.
EGF receptor
C.
STAT5
D.
DAG
参考答案：
B
参考解析：
无
【单选题】
[5/141]Classes of membrane transport proteins include all of the following except
A.
ion channels.
B.
transporters.
C.
protein translocons.
D.
ATP-powered pumps.
参考答案：
C
参考解析：
无
【单选题】
[6/141]Phagosomes must fuse with lysosomes to digest imported materials.
A.
正确
B.
错误
参考答案：
A
参考解析：
无
【单选题】
[7/141]How does inhibition of the Na+/K+ ATPase increase the force of heart muscle contraction?
A.
It increases cytosolic Na+ and therefore decreases Ca2+ export
B.
It decreases cytosolic Na+ and therefore decreases Ca2+ export
C.
It decreases cytosolic K+ and therefore decreases Ca2+ export.
D.
It increases cytosolic K+ and therefore decreases Ca2+ export.
参考答案：
A
参考解析：
无
【简答题】
[8/141]The fate of proteins synthesized in the cytosol depends on their amino acid sequence, which can cont...
参考答案：
signal
参考解析：
无
【单选题】
[9/141]Gelsolin is activated by
A.
ATP-binding.
B.
Ca2+-binding.
C.
phosphorylation.
D.
dephosphorylation.
参考答案：
B
参考解析：
无
【单选题】
[10/141]For a protein to be an integral membrane protein, it would have to be __
A.
hydrophobic
B.
exposed on only one surface of the membrane
C.
hydrophilic
D.
amphipathic, with at least one hydrophobic region
参考答案：
D
参考解析：
无