Polymers are large organic molecules that are made of a. cations. c. carbon and oxygen only. b. anions. d. repeating units.

Asegment of dna that codes for rna and a protein is a

What is the function of the nucleus in the euglena cells you observed?

Which of the following molecules could pass through the plasma membrane by simple diffusion? a. na+ ions b. glucose c. amino acids d. carbon dioxide