Some viruses have special molecules on their capsids. What function do these molecules perform?
They help direct protein synthesis.
They help the virus transcribe its genes.
They help the virus attach to host cells,
They help the virus to store energy,

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point