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1) Amino acid mainly excreted in urine in cystinosis

One answer only.

a) Arginine

b) Cysline

c) Ornithine

d) All of the above

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2) Following amino acids participate in transamination reaction EXCEPT

One answer only.

a) Alanine

b) Lysine

c) Aspartate

d) Glutamate

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3) Creatine is formed metabolically from

One answer only.

a) Tryptophan

b) Arginine

c) Phenylalanine

d) Histidine

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4) Adrenaline and Noradrenaline are formed from

One answer only.

a) Proline

b) Tryptophan

c) Glycine

d) Tyrosine

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5) Amino acid NOT involved in urea synthesis

One answer only.

a) Ornithine

b) Citrulline

c) Arginine

d) Histidine

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6) The term secondary structure of protein refers to as

One answer only.

a) alpha helix & beta pleated sheets b) Overall conformations

c) Subunit interactions

d) Relationship of two polypeptide chains

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7) Amino acid not stable in alpha helix is

One answer only.

a) Proline

b) Alanine

c) Glutamine

d) Tryptophan

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8) Guanido acetate is converted to

One answer only.

a) Creatinine

b) Creatine phosphate

c) Choline

d) Hydroxyproline

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9) Vibrational spectrum of protein is due to which structure

One answer only.

a) Primary

b) Secondary

c) Tertiary

d) Quartenary

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10) The common feature of enzyme cascade system is

One answer only.

a) Amplification

b) Feedback inhibition

c) Allosteric inhibition

d) Counter regulation