Biochem

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7 Terms

1
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Physiological pH (7.4) amino acid structure

NH3+

COO-

2
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18 of the 19 chiral amino acids are s, the exception is

L-Cysteine

3
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Is R or S configuration more dominant?

S

4
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Polar Amino Acids (Stick Nick)

STQ NYC, Ser, Thr, Tyr, Cys, Asn, Gln

5
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Where would you expect to find AA’s with OH groups? (OH SYT down)

On the surface of proteins and enzymes due to their ability to participate in hydrogen bonding and phosphorylation

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What can cysteine form

disulfide bonds

7
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Cysteine and Tyrosine can act as ____ acids

weak, they can donate a proton