<span>C,H,N,O,SAmino Acid=C+Amino Group+Carboxyl Group+Variable Group<span>4 Levels of Protein Structure:Primary: Order of Amino AcidsSecondary:3-D shapeTertiary: globularQuaternary: 2+ chains linked</span>Fn: Structure, Transport, Communicate, Speed up chemical rxns, Control cell growth</span>
Answer: Option B)
Im 100% sure its the answer!
Multicellular organisms grow by producing more cells. As children, we get taller every year. That growth happens only because our bodies keep adding new cells. A sapling becomes a tree for the same reason.
But even after an organism grows up, its cells continue to divide. That's because cells wear out or get damaged.
Read more: Life Cycle of a Cell - Replacing Cells, Cell Division, Growth and Repair:, Mitosis, Specialized Sex Cells, Meiosis, Plant Sex Cells
*Absolute Dating*. The nuclear decay of radioactive isotopes is a process that behaves in a clock-like fashion and is thus a useful tool for determining the absolute age of rocks.
i hope this help
sorry if it wrong
