Which two of our 4 major molecules are very involved in gene expression? 1.Liquids
2.Proteins
3.Carbohydrates
4.Nuclei Acids

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.

Amines amides and amino acids are categories of