Amino Acids, Amino Acids MCAT Complete Questions with Verified Latest Correct Answers GRADED A+

Amino Acids, Amino Acids MCAT
Complete Questions with Verified
Latest 2025-2026 Correct
Answers GRADED A+

Glycine
- ANS - Aliphatic (non-polar)

Most simple, optically inactive

Hydrogen for R



Alanine
- ANS - Aliphatic (non-polar)

Methyl for R, a simple functional group to start just like "A"
starts alphabet



Valine
- ANS - Aliphatic (non-polar)

Simple, R shaped like a V



Leucine
- ANS - Aliphatic (non-polar)

, Valine extended with one methyle



Isoleucine
- ANS - Aliphatic (non-polar)

"Lopsided Valine"



Proline
- ANS - Aliphatic (non-polar)

3 Carbon chain to N

Special Structure found in turns



Methionine
- ANS - Sulfur Containing

Starts every protien

3 Carbons with a thioether

methyl blocked sulfhydryl



Cysteine
- ANS - Sulfur Containing

Sulfhydryl alanine

reactive, can form disulfides