Cell | Biochemistry | GPAT Mock Test

1. The ‘powerhouse’ of the cell, responsible for ATP synthesis through oxidative phosphorylation, is the:

2. The primary site for detoxification of drugs and poisons, involving cytochrome P450 enzymes, is the:

3. The fluid mosaic model describes the structure of the:

4. Statins are a class of drugs that lower cholesterol by competitively inhibiting which key enzyme in the cholesterol synthesis pathway?

5. Which cellular organelle is known as the “suicidal bag” due to its content of hydrolytic enzymes?

6. The process of synthesizing proteins from an mRNA template is called:

7. The sorting, modification, and packaging of proteins for secretion occurs primarily in the:

8. Many clinically used drugs, such as beta-blockers and antihistamines, target which class of cell surface receptors?

9. Prokaryotic ribosomes are of the 70S type, while eukaryotic ribosomes in the cytoplasm are:

10. The process of programmed cell death, crucial for development and tissue homeostasis, is termed:

11. Phase I drug metabolism primarily involves which type of reactions?

12. The Na+/K+ pump is an example of:

13. Which organelle contains catalase and is involved in the breakdown of hydrogen peroxide and fatty acids?

14. The Krebs cycle (TCA cycle) occurs in which part of the cell?

15. The synthesis of DNA from a DNA template is catalyzed by:

16. Which vitamin is a precursor for the coenzyme NAD+, essential for many redox reactions in metabolism?

17. A drug that binds to a receptor and produces a maximal biological response is known as a:

18. The alpha-helix and beta-sheet are examples of which level of protein structure?

19. ELISA (Enzyme-Linked Immunosorbent Assay) is a biochemical technique used for:

20. The end product of anaerobic glycolysis in muscle cells is:

21. Anticancer drugs like vincristine and paclitaxel primarily target which cellular component?

22. The genetic code is said to be ‘degenerate’ because:

23. Which of the following is NOT a function of the cell nucleus?

24. The Michaelis constant (Km) of an enzyme is a measure of:

25. The S phase of the eukaryotic cell cycle is characterized by: