Answer:
B
Explanation:
C6H12O6 + O2 ------> CO2 + H2O + ATP. The reactants are oxygen and glucose. The products are ATP, CO2, and water. The energy source is glucose molecules.
I hope that helps!
Answer:
The smallest particle is the electron (option D).
Explanation:
The electron is a subatomic particle, which is part of an atom and has a negative electrical charge.
Electron is a small particle, if compared to protons -electrically positive particles- whose size is about 1800 times bigger. In fact, the electron is the smallest particle inside the atom.
<em> According to this, the other options, </em><u><em>atom</em></u><em>, </em><u><em>nucleus</em></u><em> and </em><u><em>proton</em></u><em> are structures larger than an electron.</em>