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【单选题】
Which bond is an amino acid linked to the tRNA?（ ）
A.
glycosidic
B.
phosphodiester
C.
ester
D.
high energy
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举一反三
【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
【多选题】When the intracellular Na+ content is too high, it can（ ）
A.
Increased intracellular Ca2+ levels in many tissues
B.
Decrease the resting potential
C.
Activate the Na+ pump
D.
Cause cell edema
E.
Decrease the level of amino acids in the epithelial cells of renal tubules
【多选题】Hormones work in（ ）ways.
A.
Teleconnection
B.
Autocrine
C.
Paracrine
D.
Neurosecretion
E.
Exocrine
【单选题】Which is FALSE about DNA pol III in prokaryotes?（ ）
A.
α, δ, ξ subunits form core enzyme
B.
It is the key enzyme in DNA replication
C.
β clamps aid it to fix DNA templates
D.
it can catalyze the formation of 3’-5’phosphodiester bond
【多选题】The strength of myocardial contraction depends on（ ）
A.
Contractility of the myocardium
B.
Afterload
C.
Concentration of Ca2+ in extracellular fluid
D.
Preload
E.
The number of muscle fibers involved in contraction
相关题目：
【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
【多选题】When the intracellular Na+ content is too high, it can（ ）
A.
Increased intracellular Ca2+ levels in many tissues
B.
Decrease the resting potential
C.
Activate the Na+ pump
D.
Cause cell edema
E.
Decrease the level of amino acids in the epithelial cells of renal tubules
【多选题】Hormones work in（ ）ways.
A.
Teleconnection
B.
Autocrine
C.
Paracrine
D.
Neurosecretion
E.
Exocrine
【单选题】Which is FALSE about DNA pol III in prokaryotes?（ ）
A.
α, δ, ξ subunits form core enzyme
B.
It is the key enzyme in DNA replication
C.
β clamps aid it to fix DNA templates
D.
it can catalyze the formation of 3’-5’phosphodiester bond
【多选题】The strength of myocardial contraction depends on（ ）
A.
Contractility of the myocardium
B.
Afterload
C.
Concentration of Ca2+ in extracellular fluid
D.
Preload
E.
The number of muscle fibers involved in contraction
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