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

A virus classified as helical possesses a capsid in which the protein subunits are arranged

A. Around the nucleic acid in a spiral pattern
✓
B. As twenty triangular faces
C. In a head and tail arrangement
D. Randomly around the genome

📝 Explanation

Helical viruses have capsomeres arranged helically around the viral nucleic acid, producing a rod-like appearance.

📖 Additional Information

  • Around the nucleic acid in a spiral pattern
  • As twenty triangular faces
  • In a head and tail arrangement
  • Randomly around the genome

Helical viruses have capsomeres arranged helically around the viral nucleic acid, producing a rod-like appearance.

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