Proteins play a vital role in all cells. in fact, cells need thousands of proteins in order to function properly. what primarily directs the synthesis of proteins?

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

How do water’s relative densities as a solid and a liquid differ from that of most other substances? water’s solid and liquid forms have different densities, while most other substances have solid and liquid forms with similar densities. water’s solid and liquid forms have similar densities, while most other substances have solid and liquid forms with different densities. water’s liquid form is less dense than its solid form, while the opposite is true of most other substances. water’s solid form is less dense than its liquid form, while the opposite is true of most other substances.

What is the difference between topsoil and clay?