Answer:
The four major groups of macromolecules found in living things are carbohydrates, lipids, nucleic acids, and proteins. Carbohydrates are compounds made up of carbon, hydrogen, and oxygen atoms, usually in a ratio of 1 : 2 : 1. Living things use carbohydrates as their main source of energy.
No because X and Y do not have D-cell
It should be only once that an interphase occur before mitosis. It <span> is the phase of the cell cycle in which a typical cell spends most of its life. During this phase, the cell copies its DNA in preparation for mitosis. Hope this answers the question. Have a nice day.</span>
Answer:
Contact the Centers for Disease Control and Prevention (CDC).
Explanation: