Which of the following statement is incorrect about RNA_________________?

A: The pentose sugar in it is Ribos

B: E.

C: B. It contains Adenine Guanine Thymine and Cytosine

D: C. It is present in the nucleoli

E: D. It may be folded back on itself to give double helical characteristics.

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It contains Adenine Guanine Thymine and Cytosine

Protein coasts of viruses are synthesized in____________?

A: Lytic cycle

B: Lysogenic cycle

C: Both a & b

D: All of these

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Lytic cycle

Each turn of DNA contain ____________ nitrogenous base pairs?

A: 5

B: 10

C: 20

D: 25

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10

Hunger pangs usually begin ______ after the previous meal.

A: 2-4 hours

B: 6-8 hours

C: 10-12 hours

D: 12-24 hours

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12-24 hours

Total number of amino acids discovered so far in cells and tissues are______________?

A: 20

B: 25

C: 150

D: 170

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170

The major constituent of blood plasma is___________?

A: Protein

B: NaCl

C: Water

D: Cholesterol

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Water

An insulin molecule consists of _________ polypeptide chains?

A: 1

B: 2

C: 3

D: 4

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2

Following possess bilateral symmetry as larva and radial symmetry as adult:

A: Chordata

B: Hydra

C: Echinodermata

D: Hemichordata

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Echinodermata

Proteins are polymers of___________?

A: Fatty acids

B: Isoprenoid units

C: Amino acids

D: Nucleotides

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Amino acids

Which of the following is the empirical formula of chlorophyll b?

A: C55H70O5N4Mg

B: C55H72O6N4Mg

C: C55H70O6N4Mg

D: C55H72O5N4Mg

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C55H70O6N4Mg

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