1
MCQ (Single Correct Answer)

AIPMT 2004

The hormone that helps in the conversion of glucose to glycogen is
A
cortisone
B
bile acids
C
adrenaline
D
insulin

Explanation

Insulin is a hormone secreted by the pancreas that lowers blood glucose level by promoting the uptake of glucose by cells and the conversion of glucose to glycogen by the liver and skeletal muscle.
2
MCQ (Single Correct Answer)

AIPMT 2004

The correct statement in respect of protein haemoglobin is that it
A
functions as a catalyst for biological reactions
B
maintains blood sugar level
C
acts as an oxygen carrier in the blood
D
forms antibodies and offers resistance to diseases.

Explanation

Haemoglobin acts as an oxygen carrier in the blood since it reacts with oxygen to form unstable oxyhaemoglobin which easily breaks to give back haemoglobin and oxygen.
3
MCQ (Single Correct Answer)

AIPMT 2004

Number of chiral carbons in $$\beta $$-$$D$$-(+) glucose is
A
five
B
six
C
three
D
four

Explanation

4
MCQ (Single Correct Answer)

AIPMT 2004

A sequence of how many nucleotides in messenger RNA makes a codon for an amino acid?
A
Three
B
Four
C
One
D
Two

Explanation

There are four bases in mRNA, i.e., adenine, cytosine, guanine and uracil. They form triplets and each triplet behave as a code for the synthesis of a particular amino acid.

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