Some Viruses Never Use DNA to Carry Out Protein Synthesis

question 8

Multiple Choice

Some viruses never use DNA to carry out protein synthesis and have only RNA as their genetic material.This would lend evidence to which theory?

• A)RNA-first hypothesis
• B)protein-first hypothesis
• C)simultaneous evolution of RNA and proteins
• D)endosymbiotic theory of eukaryote evolution

---

Definitions:

Femoral Artery

A large artery in the thigh that supplies blood to the lower limb.

Popliteal Artery

The continuation of the femoral artery behind the knee, it supplies blood to the knee joint and surrounding muscles.

Anterior Tibial Artery

A major blood vessel in the lower leg that supplies blood to the anterior compartment of the leg and dorsum of the foot.

Posterior Tibial Artery

A major artery of the lower leg, supplying blood to the posterior compartment of the leg and plantar surface of the foot.