Page 192 - MNU microbiology theoritical 2025

General Microbiology & Immunology (PM 401) Second level Semester 4 2024/2025

Q1: Choose the best correct answers in each of the following statements
1- How long would the peptide be that is translated from this mRNA sequence:
5’-AUGGGCUACCGA-3’?

a. 0
b. 2
c. 3
d. 4

2- A nucleic acid is purified from a mixture. The molecules are relatively

small, contain uracil, and most are covalently bound to an amino acid.

Which of the following was purified?

a. DNA b. mRNA
c. rRNA d. tRNA

Q2: Critical Thinking
1- Transcribe the following DNA sequence (non-template
strand): 5’-ATGGCCGGTTATTAAGCA-3’ and

mention the number of amino acid in the growing
peptide chain

Answer

General Microbiology & Immunology (PM 401) theoretical handbook Page 181