Answer: B. Shear stress
Explanation: Shear stress is created when two objects are pushing against each other sideways. The image below shows examples of the other options and why they are incorrect.
Answer: Option A) Yes, the 5th amino acid in the sequence has changed.
Explanation:
Absolutely, the change of CCG to CAG does cause the amino acid Proline to be substituted by Glutamine.
Thus, the single base change of cytosine to adenine in CCG and CAG resulted in a different protein.
It would be A because textbooks aren't updated for years so he will likely never find it there