Out of 20 proteinaceous amino acids how many of them are laevorotatory(l-form).

1.All 20

2.10

3.19

4.18

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Which of the following is semi- essential amino acid?

1.Arginine

2.Histidine

3.Aspartic acid

4.Both 1 and 2

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Which of the following is a standard but non-essential amino acid?

1.Methionine

2.Tyrosine

3.Ornithine

4.Isoleucine

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Amide bond is found in all except

1.Enzymes

2.Polypeptides

3.Proteins

4.Amino acid

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Which of the following group is present in Fatty acid

1.Carboxyl group

2.Carbonyl group

3.Hydroxyl group

4.Both 2 and 3

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Which of the following is true about Lipids

1.It is a polymer of Fatty acids and Glycerol

2.Water soluble

3.Fatty acids can be saturated or unsaturated

4.both 1 and 3

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Which of the following is true about Palmitic acid?

1.It is a saturated fatty acid

2.It has 16 Carbons including Carboxyl carbon

3.It has no double and triple bonds between carbon atoms

4.All of these

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Which of the following is not true about Palmitic acid?

1.It is a saturated fatty acid

2.It has 16 Carbons including Carboxyl carbon

3.It has no double and triple bonds between carbon atoms

4.It is an unsaturated fatty acids

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Which of the following is not true about Arachidonic acid?

1.It is a saturated fatty acid

2.It has 20 Carbons excluding Carboxyl carbon

3.It has no double and triple bonds between carbon atoms

4.All of these

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Arachidonic acid is

1.Polyunsaturated fatty acid

2.C20H32O2

3.Saturated fatty acid

4.Both 1 and 2

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