The antibodies are very unspecific
Answer:
C. photosphere, convective zone, radiative zone, and core
Answer:
Buffer
(a brainliest would be appreciated)
Answer:
To move substances against a concentration or electrochemical gradient, a cell must use energy. Active transport mechanisms do just this, expending energy (often in the form of ATP) to maintain the right concentrations of ions and molecules in living cells.
Explanation:
