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【判断题】
Stem-loop is a type of secondary structure not usually found in tRNA.（ ）
A.
正确
B.
错误
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举报参考答案：
举一反三
【多选题】Which is correct in the following descriptions of secondary active transport（ ）
A.
Transport against the concentration gradient
B.
Direct energy is the transmembrane concentration gradient of Na+
C.
The rate of transport is independent of ATP in the cell
D.
It is also called combined transport
E.
Including positive transfer and reverse transfer
【多选题】Among the following reflexes, postural reflexes includs（ ）
A.
Righting reflex
B.
Stretch reflex
C.
Cervical tension reflex
D.
Flexor reflex
E.
Contralateral extensor reflex
【单选题】What is wrong about the description of the physiological effects of insulin（ ）
A.
Promote the storage and utilization of sugar and reduce blood sugar
B.
Promote fat synthesis and inhibit fat decomposition
C.
Promote protein synthesis
D.
When used together with growth hormone, it has obvious synergistic effect on promoting growth Multiple choice questions
E.
Promote gluconeogenesis
【单选题】Which isFALSE about the termination of prokaryotic DNA replication?（ ）
A.
DNA polymerase I fills gaps and leaves nicks
B.
DNA polymerase I removes all RNA primers and leaves gaps
C.
DNA ligase seals all DNA nicks
D.
Coordinate the synthesis of lagging and leading strands
【单选题】Which bond is an amino acid linked to the tRNA?（ ）
A.
glycosidic
B.
phosphodiester
C.
ester
D.
high energy
【多选题】The characterizes of isovolemic systole are（ ）
A.
The decrease rate of intracardiac pressure is the fastest
B.
Intracardiac pressure is higher than arterial pressure
C.
Ventricular volume does not change
D.
The intracardiac pressure reached the maximum value
E.
Atrioventricular and semilunar valves are closed
【多选题】Sympathetic excitation can cause（ ）
A.
decreased glomerular filtration rate
B.
Increased renin secretion
C.
Contraction of glomerular capillaries
D.
Increased Na+ reabsorption in proximal tubules and medullary loops
E.
Contraction of the arterioles in and out of the glomerulus
【多选题】In animal experiments, the methods that make breathe faster and deeper are（ ）
A.
Inhaling CO2
B.
Intravenous glucose injection
C.
O2 lack
D.
Intravenous administration of lactic acid
E.
Add invalid cavities
【多选题】The clinical manifestations of basal ganglia injury include（ ）
A.
Chorea
B.
Polio
C.
Parkinson's disease
D.
Athetosis
E.
Amnesia
【单选题】Which of the following steps occurs first in prokayotic transcription?（ ）
A.
formation of a closed promoter complex
B.
formation of an open promoter complex
C.
Rho protein binding
D.
promoter clearance
相关题目：
【多选题】Which is correct in the following descriptions of secondary active transport（ ）
A.
Transport against the concentration gradient
B.
Direct energy is the transmembrane concentration gradient of Na+
C.
The rate of transport is independent of ATP in the cell
D.
It is also called combined transport
E.
Including positive transfer and reverse transfer
【多选题】Among the following reflexes, postural reflexes includs（ ）
A.
Righting reflex
B.
Stretch reflex
C.
Cervical tension reflex
D.
Flexor reflex
E.
Contralateral extensor reflex
【单选题】What is wrong about the description of the physiological effects of insulin（ ）
A.
Promote the storage and utilization of sugar and reduce blood sugar
B.
Promote fat synthesis and inhibit fat decomposition
C.
Promote protein synthesis
D.
When used together with growth hormone, it has obvious synergistic effect on promoting growth Multiple choice questions
E.
Promote gluconeogenesis
【单选题】Which isFALSE about the termination of prokaryotic DNA replication?（ ）
A.
DNA polymerase I fills gaps and leaves nicks
B.
DNA polymerase I removes all RNA primers and leaves gaps
C.
DNA ligase seals all DNA nicks
D.
Coordinate the synthesis of lagging and leading strands
【单选题】Which bond is an amino acid linked to the tRNA?（ ）
A.
glycosidic
B.
phosphodiester
C.
ester
D.
high energy
【多选题】The characterizes of isovolemic systole are（ ）
A.
The decrease rate of intracardiac pressure is the fastest
B.
Intracardiac pressure is higher than arterial pressure
C.
Ventricular volume does not change
D.
The intracardiac pressure reached the maximum value
E.
Atrioventricular and semilunar valves are closed
【多选题】Sympathetic excitation can cause（ ）
A.
decreased glomerular filtration rate
B.
Increased renin secretion
C.
Contraction of glomerular capillaries
D.
Increased Na+ reabsorption in proximal tubules and medullary loops
E.
Contraction of the arterioles in and out of the glomerulus
【多选题】In animal experiments, the methods that make breathe faster and deeper are（ ）
A.
Inhaling CO2
B.
Intravenous glucose injection
C.
O2 lack
D.
Intravenous administration of lactic acid
E.
Add invalid cavities
【多选题】The clinical manifestations of basal ganglia injury include（ ）
A.
Chorea
B.
Polio
C.
Parkinson's disease
D.
Athetosis
E.
Amnesia
【单选题】Which of the following steps occurs first in prokayotic transcription?（ ）
A.
formation of a closed promoter complex
B.
formation of an open promoter complex
C.
Rho protein binding
D.
promoter clearance
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