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MCAT Biochemistry UPDATED ACTUAL Questions and CORRECT Answers

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  • MCAT Biochemistry

MCAT Biochemistry UPDATED ACTUAL Questions and CORRECT Answers Amino Acids - CORRECT ANSWER- - Found in proteins - amino group, carboxylic acid, hydrogen atom, and R group attached to a central alpha carbon - chiral (L) except glycine - (S) configuaration except cysteine - join via peptide...

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  • October 22, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MCAT Biochemistry
  • MCAT Biochemistry
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MCAT Biochemistry UPDATED ACTUAL
Questions and CORRECT Answers
Amino Acids - CORRECT ANSWER✔✔- - Found in proteins
- amino group, carboxylic acid, hydrogen atom, and R group attached to a central alpha
carbon
- chiral (L) except glycine
- (S) configuaration except cysteine
- join via peptide bonds


Nonpolar, nonaromatic AA - CORRECT ANSWER✔✔- glycine
alanine
valine
leucine
isoleucine
methionine
proline


Aromatic AA - CORRECT ANSWER✔✔- tryptophan
phenylalanine
tyrosine


Polar AA - CORRECT ANSWER✔✔- serine
threonine
asparagine
glutamine
cysteine


Acidic (- charge) AA - CORRECT ANSWER✔✔- aspartic acid
glutamic acid

,Basic (+ charge) AA - CORRECT ANSWER✔✔- lysine
arginine
histidine


can amino acids react to form a covalent bond? - CORRECT ANSWER✔✔- yes, with the
loss of water


Alanine - CORRECT ANSWER✔✔- nonpolar/hydrophobic
methyl group
Ala (or) A


Valine - CORRECT ANSWER✔✔- nonpolar/hydrophobic
isopropyl group
Val (or) V


Leucine - CORRECT ANSWER✔✔- nonpolar/hydrophobic
isobutyl group
Leu (or) L


Proline - CORRECT ANSWER✔✔- nonpolar/hydrophobic
major exception because ring formed
Pro (or) P


Methionine - CORRECT ANSWER✔✔- nonpolar/hydrophobic
sulfar group
Met (or) M


Tryptophan - CORRECT ANSWER✔✔- nonpolar/hydrophobic
Trp (or) W

, Phenylalanine - CORRECT ANSWER✔✔- nonpolar/hydrophobic
phenyl group
Phe (or) F


Isoleucine - CORRECT ANSWER✔✔- nonpolar/hydrophobic
sec-butyl group
Ile (or) I


Glycine - CORRECT ANSWER✔✔- polar/uncharged
most simple, achiral, H group
Gly (or) G


Serine - CORRECT ANSWER✔✔- polar/uncharged
hydroxyl group
Ser (or) S


Asparagine - CORRECT ANSWER✔✔- polar/uncharged
amide bond
Asn (or) N


Glutamine - CORRECT ANSWER✔✔- polar/uncharged
Gln (or) Q


Threonine - CORRECT ANSWER✔✔- polar/uncharged
methyl group
Thr (or) T


Cysteine - CORRECT ANSWER✔✔- polar/uncharged
SH group, very functional and responsible for putting whole proteins together

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