Here is your answer:
Your answer is A they both contain oxagen. its magnets basically when using magnets they have to be opposite from each other and since they both have the same electrons there going to not attract to each other because their both the same thing.
Your answer is A.
<span>A hydrophillic amino acid will have it's functional group positioned where the water is. Generally this will be outside of the polypeptide, and the amino acid will interact with polar entities, this will include other amino acids that match it's polarity.</span>
The right option is d.
comparative advantages
The comparative advantages
pattern of organization places several alternatives side by side and show why one
of them is more advantageous than the other. The items or alternatives to be
compared are in relation to one another and are functionally equal.