Which of the following is an essential amino acid?

1.Isoleucine

2.lysine

3.Leucine

4.All of these

Which of the following is not  an essential amino acid?

1.Isoleucine

2.lysine

3.Leucine

4.Alanine

Which of the amino acid contains hydroxyl group?

1.Serine

2.Threonine

3.Phenyl alanine

4.Both 1 and 2

Which of the following is called as imino acid?

1.Histidine

2.Lysine

3.Leucine

4.proline

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

1.All 20

2.10

3.19

4.18

Which of the following is semi- essential amino acid?

1.Arginine

2.Histidine

3.Aspartic acid

4.Both 1 and 2

Amide bond is found in all except

1.Enzymes

2.Polypeptides

3.Proteins

4.Amino acid

Which of the following group is present in Fatty acid

1.Carboxyl group

2.Carbonyl group

3.Hydroxyl group

4.Both 2 and 3

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

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