Name any four materials that we should avoid using to save our environment and why?

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?

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