Which best explains the role of plant pigments in photosynthesis?

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

24. how are vaccines used to keep people healthy?