SOLUTIONS TO EXERCISES, LESSON 1
1.
d.
2.
a.
3.
c.
4.
d.
The number of protons plus neutrons In the atom. (para 1-7a)
5.
b.
6.
d.
7.
b.
8.
c.
9.
a.
10.
c.
11.
d.
Ionization and excitation of the atoms and molecules of that cell.
12.
b.
13.
a.
14.
b.
15.
c.
16.
d.
17.
c.
Increases the rate of mutations already present in the population.
End of Lesson 1
MD0180
1-32