Options:
- A. Never changes
- B. Forms no chemical bond with substrate
- C. Determined by structure and the specificity of the enzyme
- D. They are non specific in their action
View Answer
C. Determined by structure and the specificity of the enzyme
Biology
Optimal temperature of enzymes present in human body is_____________?
Options:
- A. 27?C
- B. 37?C
- C. 47?C
- D. 30?C
View Answer
B. 37?C
Which one is an organic compound_____________?
Options:
- A. CO2
- B. Water
- C. Lipids
- D. HCI
View Answer
C. Lipids
Primary structure of proteins determines__________?
Options:
- A. Number of polypeptide chains involved
- B. Bending of polypeptide chains
- C. Amino acid sequence
- D. Coiling of polypeptide chains
View Answer
C. Amino acid sequence
The one which can tolerate highest external osmotic pressure is __________?
Options:
- A. Algae
- B. Amoeba
- C. Fungi
- D. Bacteria
View Answer
C. Fungi
Adult birds normally possess only one functional____________?
Options:
- A. Ureter
- B. Ovary
- C. Lung
- D. Testis
View Answer
B. Ovary
Locomotory structures are not found in which of the following group?
Options:
- A. Amoebas
- B. Zooflagellates
- C. Ciliates
- D. Apicomplexans
View Answer
D. Apicomplexans
Actin and myosin are the basic proteins involved in contractile machinery of our body to which type of proteins do they belong____________?
Options:
- A. Globular proteins
- B. Fibrous Proteins
- C. Both a and b
- D. None of these
View Answer
B. Fibrous Proteins
The cells present in testes and secrete testosterone are___________?
Options:
- A. Sertoli cells
- B. Germinal cell
- C. Interstitial cells
- D. Spermatocyte
View Answer
C. Interstitial cells
A group of similar cells that perform a specific function is:
Options:
- A. Organ
- B. Tissues
- C. Organelle
- D. Organ System
View Answer
B. Tissues