The non protein constituent present in many enzymes is called:
1. Co-enzyme | 2. Co-factor |
3. Apoenzyme | 4. Holoenzyme |
Haem in hemoglobin:
1. is loosely bound
2. is the co-enzyme
3. is the prosthetic group
4. has no influence on activity of Hb
What is the co-factor for the proteolytic enzyme, carboxypeptidase?
1. Molybdenum | 2. Manganese |
3. Zinc | 4. Copper |
Most of the coenzymes contain:
1. Metal ions | 2. FMN and FAD |
3. Ribonucleoproteins | 4. Vitamins |
Most common element present in human body is:
1. | Oxygen | 2. | Carbon |
3. | Hydrogen | 4. | Sulfur |
Which of the following is not an aromatic amino acid?
1. Phenylalanine | 2. Threonine |
3. Tyrosine | 4. Tryptophan |
When we homogenize any tissues in an acid the acid soluble pool represents
1. | Cytoplasm | 2. | Cell membrane |
3. | Nucleus | 4. | Mitochondria |
A pure protein should normally have
1. | Two ends | 2. | One end |
3. | Three ends | 4. | No ends |
What level of protein organization structure explains the 3-D shape of an enzyme?
1. primary structure | 2. tertiary structure |
3. secondary structure | 4. quaternary structure |
The graph shown below shows the effect of a certain factor on the rate of a reaction catalyzed by an enzyme. The X-axis would show the said factor and that will be:
1. substrate concentration | 2. pH |
3. enzyme concentration | 4. temperature |