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【单选题】
What is the staining reagent in the experiment?（ ）
A.
Coomassie brilliant blue
B.
Sultan red dye
C.
Ponceau
D.
Sultan black dye
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举报参考答案：
举一反三
【多选题】The causes of decreasing urine output during dehydration are（ ）
A.
Decreased renal blood flow
B.
Increased solute concentration in renal tubules
C.
Increased secretion of vasopressin
D.
Reduction of volume receptors by stimulation
E.
Elevated osmotic pressure of plasma crystal
【单选题】Based on the naming rules, the first letter of a restriction endonuclease means（ ）
A.
Bacterial strain
B.
Bacterial species
C.
Bacterial genus
D.
Identified order
【多选题】The mechanisms of tumor suppressor gene inactivation include（ ）
A.
hypermethylation
B.
Mutation
C.
Loss of heterozygosity
D.
Obtaining new promoter or enhancer
【单选题】In the regulation of lac operon, when the medium contains both glucose and lactose, which statement is true?（ ）
A.
repressor is active; CAP is inactive
B.
both repressor and CAP are active
C.
repressor is inactive; CAP is active
D.
both repressor and CAP are inactive
【多选题】Which are right about molecular hybridization?（ ）
A.
The hybrid molecules must be single
B.
Hybrid molecules must be completely base pairing
C.
Can only hybridization between DNA and RNA
D.
From the understanding of DNA denaturation and renaturation phenomenon
【多选题】The physiological characteristics of myocardium include（ ）
A.
Conductivity
B.
Autorhythmicity
C.
Contractility
D.
Excitability
E.
Extension
相关题目：
【多选题】The causes of decreasing urine output during dehydration are（ ）
A.
Decreased renal blood flow
B.
Increased solute concentration in renal tubules
C.
Increased secretion of vasopressin
D.
Reduction of volume receptors by stimulation
E.
Elevated osmotic pressure of plasma crystal
【单选题】Based on the naming rules, the first letter of a restriction endonuclease means（ ）
A.
Bacterial strain
B.
Bacterial species
C.
Bacterial genus
D.
Identified order
【多选题】The mechanisms of tumor suppressor gene inactivation include（ ）
A.
hypermethylation
B.
Mutation
C.
Loss of heterozygosity
D.
Obtaining new promoter or enhancer
【单选题】In the regulation of lac operon, when the medium contains both glucose and lactose, which statement is true?（ ）
A.
repressor is active; CAP is inactive
B.
both repressor and CAP are active
C.
repressor is inactive; CAP is active
D.
both repressor and CAP are inactive
【多选题】Which are right about molecular hybridization?（ ）
A.
The hybrid molecules must be single
B.
Hybrid molecules must be completely base pairing
C.
Can only hybridization between DNA and RNA
D.
From the understanding of DNA denaturation and renaturation phenomenon
【多选题】The physiological characteristics of myocardium include（ ）
A.
Conductivity
B.
Autorhythmicity
C.
Contractility
D.
Excitability
E.
Extension
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