They move across a synapse
If nearly 79% of atmosphere is nitrogen, how could there be a shortage of nitrogen in some soils? Nitrogen must be converted into nitrates before organisms can use it. If soil lacks nitrogen fixing bacteria, then it has few nitrates for the plants to take in.
No it doesn't thinks to force from other ends or when the force is more than needed then the work load required it makes the work easier. hope this helps and works im not good with words

How did griffin help build our understanding of genetics?

He showed that cells contain a transforming factor. They have different genes. Two brothers inherit different sets of alleles from their parents.
C. The associates proteins are histones