Life Sciences
GATE XL year:2018 PYQs
Build your understanding with focused practice from past exam papers.
Questions 31–40 of 125. Imported answers require independent review unless marked reviewed.
Question 6
Open questionXL-QMCQ1 markNeeds review
The glycosylation of the proteins occurs in ______.
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Which one of the following properties of the myeloma cells is used in the hybridoma technology to generate monoclonal antibody?
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The movement of protons through the F₀F₁-ATPase during mitochondrial respiration is required for ____
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Open questionXL-QNAT1 markNeeds review
The number of NADP⁺ molecules required to completely oxidize one molecule of glucose to CO₂ through pentose phosphate pathway is ____ (correct to integer number).
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Open questionXL-QNAT1 markNeeds review
Measurement of the absorbance of a solution containing NADH in a path length of 1 cm cuvette at 340 nm shows the value of 0.31. The molar extinction coefficient of NADH is 620 M⁻¹ cm⁻¹. The concentration of NADH in the solution is ___ μM (correct to integer number).
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Open questionXL-QMCQ2 marksNeeds review
Among the reagents given below which one of the combination of reagents will NOT break the disulphide bonds in the immunoglobulin molecules?
(P) Reduced glutathione (Q) Dithiothreitol
(R) Sodium dodecyl sulphate (S) Methionine
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Open questionXL-QMCQ2 marksNeeds review
Match the protein elution condition given in Group I with the appropriate chromatography matrices from Group II.
Group I:
P: Increasing concentration of sodium chloride
Q: Increasing concentration of histidine
R: Decreasing concentration of ammonium sulphate
S: Decreasing concentration of H⁺
Group II:
i: Phenyl-Sepharose
ii: Chromatofocusing
iii: DEAE-Sepharose
iv: Ni-NTA
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Which one of the following is NOT a neurotransmitter?
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The type-II hypersensitivity reaction is mainly mediated by____.
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Open questionXL-QMCQ2 marksNeeds review
Which one of the following reaction mechanisms drives the conversion of low energy 3-phosphoglyceraldehyde to high energy 1,3-bisphosphoglycerate?
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