GATE XL 2018 Paper 1 — page 15

Questions 43–45 of 125. Imported answers require review unless explicitly marked reviewed.

An enzyme follows Michaelis-Menten kinetics with substrate S. The fraction of the maximum velocity (Vₘₐₓ) will be observed with the substrate concentration [S] = 4Kₘ is ___ (correct to one decimal place). (Kₘ is Michaelis-Menten constant)

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The mass spectrum of benzoic acid will generate the fragment as a base peak (100% relative abundance) of m/z (mass to charge ratio) at ___ (correct to integer number).

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The standard free energy (ΔG′) values of reactions catalyzed by citrate lyase and citrate synthase are -670 and -8192 cal/mol, respectively.

Citrate ⇌ Acetate + Oxaloacetate ΔG₁′ = -670 cal/mole Acetyl-CoA + Oxaloacetate + H₂O ⇌ Citrate + CoA ΔG₂′ = -8192 cal/mole

The standard free energy (in cal/mol) of acetyl-CoA hydrolysis is ___ (correct to integer number).

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2018 · Paper 1

Question 18

Question 19

Question 20