BIO by M Tahir ( Lecturer Al Azhar ) virus chapter
nmdcat.online July 11, 2026

Among animal viruses, the characteristic feature of retroviruses is

A. Double-stranded DNA genome
B. Single-stranded RNA genome with reverse transcriptase
C. Double-stranded RNA genome
D. Circular DNA genome

📝 Explanation

Retroviruses, such as HIV, possess ssRNA and the enzyme reverse transcriptase, enabling synthesis of DNA from RNA.

📖 Additional Information

  • Double-stranded DNA genome
  • Single-stranded RNA genome with reverse transcriptase
  • Double-stranded RNA genome
  • Circular DNA genome

Retroviruses, such as HIV, possess ssRNA and the enzyme reverse transcriptase, enabling synthesis of DNA from RNA.

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