Answer:
A to N
Explanation:
Glutamine is an amino acid with a polar, uncharged side chain. The mutation to alanine, an amino acid with a non-polar side chain, completely affects the enzymatic activity. This makes sense considering the difference in the nature of both amino acids.
To restore the wild-type level of activity the alanine would have to mutate to another polar uncharged amino acid. Among the given options, only Asparagine (N) has a similar chemistry to Glutamine.
Answer:
Spinach is the most nutrient dense green out there.
I know this because I learned it.
1. helping relatives/others building something such a drawers, chairs.
2. Using teamwork with friends to create a sculpture for a class project