Which one out of (a) to (d) given below correctly represents the structural formula of the basic amino acid?

1.		2.
3.		4.

Which of the following glucose transporters is insulin-dependent?

Concanavalin A is:

1. a pigment

2. an alkaloid

3. an essential oil

4. a lectin

Consider the following statements:

Select the correct option

1. (A) is false but (B) is true

2. Both (A) and (B) are true

3. (A) is true but (B) is false

4. Both (A) and (B) are false

Amino acids are not

1.substituted methanes

2.organic compounds

3.Inorganic compounds

4.structural unit of proteins

How many groups of the methane can be substituted to form an amino acid Glycine.

1.4

2.3

3.2

4.1

How many types of amino acids are there?

1.20

2.more than 20

3.less than 20

4.Both 1 and 3

How many types of proteinaceous amino acids are there?

1.20

2.more than 20

3.less than 20

4.Both 1 and 3

Which group of the amino acid contributes essentially to the chemical and physical properties of amino acids?

1.Amino group

2.Carboxyl group

3.Alkyl group (R group)

4.All of these