Question

1 a photograph of a virus is shown below. the projections on the surface of this virus allow the virus to — move inside a host cell attach to a host cell control a host cells dna signal other viruses to infect a host cell

Explanation:

Viruses have surface - projections called spikes. These spikes are used to attach to specific receptor sites on the surface of host cells, which is the first step in the viral infection process. They do not help in moving inside the cell directly, controlling the host cell's DNA, or signaling other viruses to infect.

Answer:

B. attach to a host cell