I believe the answer is tertiary
Endocytosis and exocytosis are similar in that they are both forms of cell transport. They differ because in endocytosis, a cell transports molecules into a cell (think: endo - in), and in exocytosis, the cell's molecules are transported by being expelled.
Radioactive decay is measured in half-lives.
Answer:
D. it is impossible to partially inherit a genetic trait
Explanation:
