First slide

Nucleic acids

Question

Incorrect statements among the following are
A) Nucleoside contains sugar and base.
B) Deoxy ribose is functional isomer ribose
C) Insulin is an amino acid hormone
D) Activity of enzyme is optimum at $p^{H}$ = 7

Easy

A

C only
B

B, C only
C

A, C, D only
D

A, D only

Solution

A) Nucleoside contains sugar and base.
B) $C_{5} H_{10} O_{5} . . . Ribose; C_{5} H_{10} O_{4} . . . Deoxy ribose$
They are different compounds with different molecular formulae.
C) Insulin is a peptide hormone.
D) Activity of enzymes is optimum at $p^{H}$ = 7

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