Why is it important that the no phage plate has a lawn of bacteria?

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?

Name the glands associated with human digestive system

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his 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