Enzymes

Q.

Identify the correct statement regarding enzymes.

1. Enzymes are specific biological catalysts that cannot be poisoned

2. Enzymes are normally heterogeneous catalysts that are very specific in their action

3. Enzymes are specific biological catalysts that can normally function at very high temperature (T ~ 1000K)

4. Enzymes are specific biological catalysts that possess no well-defined active sites.

Q. explain oxidation numbdr method by acidic medium

Q. 40. 1-phenylpropyne +h2so4+hgso4 mechnism

Q. The fastest acting enzyme, in the biological kingdom, is

1. lipase
2. amylase
3. peptidase
4. carbonic anhydrase

Q. 32. Does m-methoxybenzyl carbocation show - m effect?

Q.

Which one of the following proteins transports oxygen in the blood stream

1. Myoglobin

2. Insulin

3. Albumin

4. Haemoglobin

Q. Abnormal function of adrenal cortex causes Addison's disease

1. True
2. False

Q. Which of the following hormones is produced under the conditions of stress which stimulate glycogenolysis in the liver of human beings?

1. Thyroxin
2. Insulin
3. Adrenaline
4. Estradiol

Q. (3) 7.3 to 7.5(4) 3.5 03. Which of the following compounds will underhydrolysis?(1) NaNO2(2) KCI(4) NaCl3) NH, Ci