NAD+ and FAD are called because they move electrons and hydrogen ions throughout the cell to the mitochondria. Question 9 options:

A)

oxidants

B)

energy storage molecules

C)

electron acceptors

D)

organic fuel

Enzymes affect the reactions in living cells by changing the

Choose all the answers that apply. fluorine (f) has an atomic number of 9 and an atomic weight of 18.99. fluorine has a. 9 protons b. 10 neutrons c. 18 electrons d. an atomic mass of 19 e. at least one isotope

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth