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Biology MCQs

Cell Biology

All MCQs

Cell Biology

11.

What is the primary function of the Golgi apparatus?

A

B

C

D

12.

During which phase of mitosis do the sister chromatids separate and move towards opposite poles?

A

B

C

D

13.

What is the function of lysosomes in animal cells?

A

B

C

D

14.

Which type of cell junction allows the direct passage of ions and small molecules between neighboring cells?

A

B

C

D

15.

In the context of the lac operon in E. coli, what role does the lac repressor play?

A

B

C

D

16.

Which molecule acts as a second messenger in the signal transduction pathway initiated by the activation of G-protein coupled receptors (GPCRs)?

A

B

C

D

17.

Which cellular organelle is involved in the synthesis of lipids and detoxification of drugs?

A

B

C

D

18.

Which phase of the cell cycle is characterized by the separation of sister chromatids?

A

B

C

D

19.

What is the function of the nucleolus within the nucleus?

A

B

C

D

20.

Which structure is responsible for organizing microtubules during cell division?

A

B

C

D