Fill in the blank in the following reaction: ${}_7^{14}\mathrm{N}$ + ${}_2^4\mathrm{He}$ ?
${}_1^1\mathrm{H}$ + ___.

A) ${}_9^{16}\mathrm{O}$
B) ${}_9^{16}\mathrm{N}$
C) ${}_8^{17}\mathrm{N}$
D) ${}_8^{17}\mathrm{O}$

How did Marie Curie approach her cooking?

A) Through random guess work
B) By changing variables one by one
C) By getting advice from older cooks
D) Marie Curie didn't cook.

In Chapter 8 you learned about stereoisomers. Which is the only naturally occurring amino acid that does not have the possibility of existing as two stereoisomers?

A) Glycine
B) Isoleucine
C) Proline
D) Methionine

"Gly" stands for what?

A) Glutamic acid
B) Glycine
C) Leucine
D) Lysine