Explore topic-wise MCQs in Cell Biology.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

What drives the conformational change in the ribosome?

A. GTP hydrolysis
B. AMP hydrolysis
C. ATP hydrolysis
D. GDP hydrolysis
Answer» B. AMP hydrolysis
2.

The first amino acid incorporated at the N-terminus of polypeptide is ___________________

A. methionine
B. cysteine
C. tryptophan
D. valine
Answer» B. cysteine
3.

Initiation factors are ______________________

A. lipids
B. soluble proteins
C. lipopolysaccharides
D. phospholipids
Answer» C. lipopolysaccharides
4.

Shine-Dalgarno sequence is present in the ____________________

A. hnRNA
B. mRNA
C. tRNA
D. siRNA
Answer» C. tRNA
5.

Which of the following is an initiation codon?

A. AAA
B. AUG
C. AGU
D. AGG
Answer» C. AGU
6.

Which of the following moves in consecutive blocks of three nucleotides?

A. ribosome
B. ribozyme
C. polymerase
D. helicase
Answer» B. ribozyme
7.

The synthesis of polypeptide can be divided into ______ distinct activities.

A. 1
B. 2
C. 3
D. 4
Answer» D. 4