enzymes are actually composed of ___________?

Related Mcqs:

1. Enzymes __________________ the activation energy of a chemical reaction?

   A. Increases
   B. Decreases
   C. Does not effect
   D. Increases or decreases depending upon individual enzyme

2. In which of the following location enzymes controlling cellular respiration are present____________?

   A. Nucleus
   B. Chlorophast
   C. Milochondria
   D. Ribosome

3. Optimal temperature of enzymes present in human body is_____________?

   A. 27?C
   B. 37?C
   C. 47?C
   D. 30?C

4. During digesting the phagocytosed food particles vesicles formed from fusion of phagocytic vacuole with the enzymes secreted by Golgi apparantus are called_______?

   A. Lysosomes
   B. Primary lysosomes
   C. Secondary lysosomes
   D. Food vacuole

5. Amoeba secretes digestive enzymes to hydrolyse _________ ?

   A. Starch
   B. Sugar
   C. Proteins
   D. All of these and fats

   Submitted by: Rashid Mehmood

6. Special enzymes are released during necrosis from __________ ?

   A. lysosomes
   B. Vacuoles
   C. Cytoplasm
   D. Golgi bodies

   Submitted by: Rashid Mehmood

7. Like enzymes , co enzyme can be used ?

   A. only once
   B. only few times
   C. again and again
   D. non of above

   Submitted by: Wajahat Amin

8. Most cell membranes are composed principally of ?

   A. DNA ad protein
   B. Protein and Lipids
   C. Protein and Chitin
   D. Protein and RNA

9. The cell wall of oomycetes is chiefly composed of___________?

   A. Chitin
   B. Cellulose
   C. Lignin
   D. Proteins

10. Exoskeleton of a marine snail is composed of________________?

    A. CaPO4
    B. CaCO3
    C. CaSO4
    D. SiO2