Q89 · CSIR NET Chemistry, December 2013
Paper: CSIR NET December 2013 · Subject: Physical Chemistry · Chapter: Chemical Kinetics · Topic: Enzyme Kinetics · Marks: 2 · Difficulty: Hard
In the Lineweaver-Burk plot of (initial rate)$^{-1}$ vs. (initial substrate concentration)$^{-1}$ for an enzyme catalysed reaction following Michaelis-Menten mechanism, the y-intercept is $5000\ \mathrm{M^{-1}\,s}$. If the initial enzyme concentration is $1 \times 10^{-9}$ M, the turnover number
(a)$2.5 \times 10^{3}$
(b)$1.0 \times 10^{4}$
(c)$2.5 \times 10^{4}$
(d)$2.0 \times 10^{5}$
Answer
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Explanation
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Study loop for Chemical Kinetics