1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
Select the option which is not correct with respect to enzyme action.
A
Substrate binds with enzyme at its active site.
B
Addition of lot of succinate does not reverse the inhibition of succinic dehydrogenase by malonate.
C
A non-competitive inhibitor binds the enzyme at a site distinct from that which binds the substrate.
D
Malonate is a competitive inhibitor of succinic dehydrogenase.
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
The figure shows a hypothetical tetrapeptide portion of a protein with parts labelled A - D. Which one of the following options is correct?
NEET 2013 (Karnataka) Biology - Biomolecules Question 73 English
A
D is not acidic amino acid-glutamic acid.
B
C is an aromatic amino acid-tryptophan.
C
A is the C-terminal amino acid and D is N-terminal amino acid.
D
A is a sulpur containing amino acid methionine.
3
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following statements about enzymes is wrong?
A
Enzymes are denaturated at high temperatures.
B
Enzymes are mostly proteins but some are lipids also.
C
Enzymes are highly specific.
D
Enzymes require optimum pH and temperature for maximum activity.
4
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Uridine, present only in RNA is a
A
nucleoside
B
nucleotide
C
purine
D
pyrimidine.
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