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1
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.
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Transition state structure of the substrate formed during an enzymatic reaction is
A
transient and unstable
B
permanent and stable
C
transient but stable
D
permanent but unstable.
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
The essential chemical components of many coenzymes are
A
carbohydrates
B
vitamins
C
proteins
D
nucleic acids.
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
A phosphoglyceride is always made up of
A
a saturated or unsaturated fatty acid esterified to glycerol molecule to which a phosphate group is also attached.
B
a saturated or unsaturated fatty acid esterified to a phosphate group which is also attached to a glycerol molecule.
C
only a saturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached.
D
only an unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached.
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