A. copper
B. magnesium
C. iron
D. None of these
Magnesium is a central metal which is a naturally occurring chelate compound for chlorophyll.
Which statement about enzyme is incorrect_________________?
A. Some of them consist solely of protein with no non protein part.
B. They catalyze a chemical reaction without being utilized.
C. All enzymes are fibrous Proteins.
D. They without their cofactor are called apoenzyme.
Which of the following substance is most favorable to form structural component of biological membranes___________?
A. Hydrophilic Carbohydrates
B. Hydrophobic fats.
C. Both a and b
D. None of these
Mode of transmission of hepatitis A is__________?
A. Serum
B. Faeco-oral
C. Sexual contact
D. All of these
Bacteriopahage that infect E. coli are called_____________?
A. M type
B. N type
C. T type
D. S type
A. Endocytosis
B. Exocytosis
C. Phagocytosis
D. ocytosis
Number of spiracles present in the thorax of cockroach is___________?
A. 2
B. 3
C. 5
D. 4