GATE XL format:mcq PYQs & Answers — Page 10

Questions 91–100 of 812. Imported answers require independent review unless marked reviewed.

Topic practice 812 questionsPage 10 of 82

Zinc is essential for the function of

Your answerChoose one option.

carboxypeptidase A.

chlorophyll a.

myoglobin.

vitamin B₁₂.

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Which one of the following molecules captures CO₂ in the C₄ cycle?

Your answerChoose one option.

1,3-Bisphosphoglycerate

Oxaloacetate

Phosphoenolpyruvate

Ribulose-1,5-bisphosphate

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Which one of the following methods separates biomolecules based on their hydrodynamic volumes?

Your answerChoose one option.

Anion-exchange chromatography

Cation-exchange chromatography

Size-exclusion chromatography

Thin-layer chromatography

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Which one of the following restriction endonucleases is a blunt cutter?

Your answerChoose one option.

BamHI

EcoRI

HindIII

EcoRV

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Which one of the following DNA repair systems requires DNA glycosylases?

Your answerChoose one option.

Base-excision

Direct

Mismatch

Nucleotide-excision

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Which one of the following ion channels opens to repolarize the neuronal membrane when an action potential is generated?

Your answerChoose one option.

channel

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Which one of the following is the most sensitive immunoassay?

Your answerChoose one option.

Immunoelectrophoresis

Immunofluorescence

Radial immunodiffusion

Radioimmunoassay

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Which one of the following molecules does NOT contain phosphoanhydride bond(s)?

Your answerChoose one option.

Adenosine diphosphate

Adenosine triphosphate

Fructose-1,6-bisphosphate

Pyrophosphate

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For an enzyme that follows Michaelis-Menten kinetics, a competitive inhibitor

Your answerChoose one option.

increases both

and

decreases both

and

increases

but does not affect

decreases

but does not affect

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Förster Resonance Energy Transfer does NOT depend on the

Your answerChoose one option.

relative orientation of donor and acceptor.

fluorescence quantum yield of acceptor.

distance between donor and acceptor.

overlap between donor’s emission and acceptor’s absorption spectra.

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GATE XL format:mcq PYQs

Question 28

Question 29

Question 30

Question 31

Question 32

Question 33

Question 34

Question 36

Question 37

Question 38