Cell Biology MCQ Questions & Answers | Biotechnology

A. Actin filament is structurally polarized, and the two ends are not identical

B. De novo actin polymerization is a single-step process

C. The pointed end of the actin filaments is the fast-growing end

D. Actin forms spindle fibers during mitosis

A. Hormone → 7 TM receptor → G protein → cAMP → PKA

B. Hormone → G protein → 7 TM receptor → cAMP → PKA

C. Hormone → 7 TM receptor → G protein → PKA → cAMP

D. Hormone → 7 TM receptor → cAMP → G protein → PKA

A. Not bind to GTP

B. Not bind to GDP

C. Show increased signaling

D. Show decreased signaling

A. P-1, Q-3, R-2, S-5

B. P-1, Q-4, R-5, S-3

C. P-2, Q-5, R-3, S-4

D. P-1, Q-3, R-4, S-5

A. Telophase

B. Late prophase

C. Late anaphase

D. Metaphase

A. P-3, Q-1, R-4, S-2

B. P-2, Q-4, R-1, S-3

C. P-2, Q-3, R-4, S-1

D. P-4, Q-2, R-1, S-3

A. Krebs cycle

B. Glycolysis

C. ETS (electron transport system)

D. Calvin cycle