Answer:
I'm guessing proteins because hair is made out of keratin and keratin is a protein.
Explanation:
ALL of them......................
Answer:
C. Charged, polar, or non-polar
Explanation:
Amino side chains, also called R groups, are classified into the categories of charged, polar, and non polar.
These classifications can be determined by the structure and elements within the R group/functional group.
Answer:
so that it can get the proper nutrients it needs.
Explanation:
