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【多选题】
The characteristics of facilitated diffusion mediated by a carrier is（ ）
A.
Independence of membrane proteins
B.
Competitive inhibition
C.
Passive transport
D.
Structural specificity
E.
Saturation
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参考答案：
举一反三
【多选题】The movements of the small intestine are（ ）
A.
Receptive relaxation
B.
Segmented movement
C.
Peristaltic rush
D.
Peristalsis
E.
Tension contraction
【单选题】The main causes of Parkinson's disease are（ ）
A.
Motor areas of the cerebral cortex are damaged
B.
Striatum are damaged
C.
The circuit between nigra and striatum dopamine is damaged
D.
The circuit between cerebral cortex and striatum is damaged
E.
The subthalamic nucleus are damaged
【单选题】What is wrong in the following statements about blood transport O2（ ）
A.
The main form of transport is physical dissolution
B.
The binding of hemoglobin to O2 is reversible
C.
The main form of transport is chemical combination
D.
Low PO2 promote the dissociation of hemoglobin and O2
E.
PO2 is high and promotes the binding of hemoglobin to O2
【单选题】The following is/are synthesized and secreted by beta (b) cells (also referred to as B cells) within the islets of Langerhans of the endocrine pancreas:（ ）
A.
C-peptide
B.
Insulin
C.
Pancreatic polypeptide
D.
Glucagon
E.
Amylin
【多选题】Plasma proteins are mainly（ ）
A.
Fibrinogen
B.
Hemoglobin
C.
Thrombin regulatory protein
D.
Albumin
E.
Globulin
【多选题】Factors that can increase stroke output are（ ）
A.
Lower arterial blood pressure
B.
Increased myocardial contractility
C.
Elevated arterial blood pressure
D.
Increased end-diastolic ventricular volume
E.
Increased myocardial excitability
【单选题】Single strand DNA 5’-CGGTA-3’ can anneal with the follow RNA _____（ ）
A.
5’-GCCAU-3’
B.
5’-TAGGC-3’
C.
5’-GCCAT-3’
D.
5’-UACCG-3’
【单选题】Which is not a feature of enhancer？（ ）
A.
It can enhance the promoter in any direction and at any location
B.
A gene often has only one enhancer.
C.
The distance between enhancer sequences and regulated genes varies a lot.
D.
Sometimes enhancer sequences can also be located within introns.
【单选题】The main reason for decreased urine output during heavy sweating is（ ）
A.
Sympathetic excitation causes ADH secretion
B.
Reduced osmotic pressure of plasma crystal leads to ADH secretion
C.
Increased osmotic pressure of plasma crystal leads to ADH secretion
D.
Decreased blood volume, resulting in reduced glomerular filtration rate
E.
Increased plasma colloid osmotic pressure, resulting in decreased glomerular filtration rate
相关题目：
【多选题】The movements of the small intestine are（ ）
A.
Receptive relaxation
B.
Segmented movement
C.
Peristaltic rush
D.
Peristalsis
E.
Tension contraction
【单选题】The main causes of Parkinson's disease are（ ）
A.
Motor areas of the cerebral cortex are damaged
B.
Striatum are damaged
C.
The circuit between nigra and striatum dopamine is damaged
D.
The circuit between cerebral cortex and striatum is damaged
E.
The subthalamic nucleus are damaged
【单选题】What is wrong in the following statements about blood transport O2（ ）
A.
The main form of transport is physical dissolution
B.
The binding of hemoglobin to O2 is reversible
C.
The main form of transport is chemical combination
D.
Low PO2 promote the dissociation of hemoglobin and O2
E.
PO2 is high and promotes the binding of hemoglobin to O2
【单选题】The following is/are synthesized and secreted by beta (b) cells (also referred to as B cells) within the islets of Langerhans of the endocrine pancreas:（ ）
A.
C-peptide
B.
Insulin
C.
Pancreatic polypeptide
D.
Glucagon
E.
Amylin
【多选题】Plasma proteins are mainly（ ）
A.
Fibrinogen
B.
Hemoglobin
C.
Thrombin regulatory protein
D.
Albumin
E.
Globulin
【多选题】Factors that can increase stroke output are（ ）
A.
Lower arterial blood pressure
B.
Increased myocardial contractility
C.
Elevated arterial blood pressure
D.
Increased end-diastolic ventricular volume
E.
Increased myocardial excitability
【单选题】Single strand DNA 5’-CGGTA-3’ can anneal with the follow RNA _____（ ）
A.
5’-GCCAU-3’
B.
5’-TAGGC-3’
C.
5’-GCCAT-3’
D.
5’-UACCG-3’
【单选题】Which is not a feature of enhancer？（ ）
A.
It can enhance the promoter in any direction and at any location
B.
A gene often has only one enhancer.
C.
The distance between enhancer sequences and regulated genes varies a lot.
D.
Sometimes enhancer sequences can also be located within introns.
【单选题】The main reason for decreased urine output during heavy sweating is（ ）
A.
Sympathetic excitation causes ADH secretion
B.
Reduced osmotic pressure of plasma crystal leads to ADH secretion
C.
Increased osmotic pressure of plasma crystal leads to ADH secretion
D.
Decreased blood volume, resulting in reduced glomerular filtration rate
E.
Increased plasma colloid osmotic pressure, resulting in decreased glomerular filtration rate
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