Plants exchange gasses with their environment through this type of opening:

Building glycogen from glucose molecules is an example of what

If animal agriculture was eliminated, how much grain would become available for human consumption?

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now