Answer:
B: an atom
Explanation:
An atom is the smallest substance that can exist in isolation.
Hence, if a piece of copper is continually divided, eventually the smallest particle you would get in an atom.
Light reactions need light to produce organic energy molecules (ATP and NADPH). ... Dark reactions make use of these organic energy molecules (ATP and NADPH). This reaction cycle is also called Calvin Benison Cycle, and it occurs in the stroma.
Answer:
B
Explanation:
DNA replicates during the S phase of interphase C