Which one is a test for proteins?

(1) Beilstein test             

(2) Biuret test

(3) Benedict's test           

(4) Molisch test

Insulin has 51 amino acids in two polypeptide chains which are linked by:

(1) one sulphide bond

(2) one disulphide bond

(3) two disulphide bonds

(4) three disulphide bonds

(1) B

(2) C

(3) D

(4) E

The hormone insulin is a secretion of the organ:

1. ovary

2. testes

3. adrenal cortex

4. pancreas

The process of respiration in absence of oxygen is called:

(1) metabolic

(2) aerobic

(3) anaerobic

(4) glycolysis

How many moles of ATP are produced by complete respiration of one mole of glucose?

1.  36 moles of ATP

2.  34 moles of ATP

3.  40 moles of ATP

4.  38 moles of ATP

Which of the following is protein hormones?

1. Insulin

2. Oxytocin

3. Both (1) and (2)

4. None of the above

The function of DNA is:

One of the essential α-amino acids is:

Insulin, a protein acts as:

1. an antibody

2. a hormone

3. an enzyme

4. a transport agent