

MCQOPTIONS
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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 | |