Multiple choice

Which among the following proteins is activated by double-stranded RNA and protects against viral infections?

  1. NSP5

  2. NSP4

  3. NSP1

  4. PKR

  5. NS1

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Protein kinase R (PKR) is an enzyme which protects against viral infections. PKR is activated by double-stranded RNA (dsRNA), the synthesis of which is caused virally.