Cell Biology In Biotechnology - Study Mode
[#1] Which one of the following statements is true for actin?
Correct Answer
(A) Actin filament is structurally polarized, and the two ends are not identical
[#2] Choose the correct signal transduction pathway.
Correct Answer
(A) Hormone → 7 TM receptor → G protein → cAMP → PKA
[#3] A mutant G a protein with increased GTPase activity would
Correct Answer
(D) Show decreased signaling
[#4] Match the organelles in Group I with their functions in Group II . Group I Group II P. Lysosome 1. Digestion of foreign substances Q. Smooth ER 2. Protein targeting R. Golgi apparatus 3. Lipid synthesis S. Nucleolus 4. Protein synthesis 5. rRNA synthesis
Correct Answer
(C) P-2, Q-5, R-3, S-4
[#5] Chromosomes counting is best done during
Correct Answer
(D) Metaphase