M4: L-6 Flashcards

1
Q

Which is the only amino acid that isn’t chiral and why?

A

Glycine has an R=H bond

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2
Q

What is drawn at the top/ bottom of fisher projections of amino acids?

A
  • COOH at top

- R group at bottom

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3
Q

What is the pKa value of each functional group in an amino acid associated with?

A

Its ability to donate a proton to water

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4
Q

Which form of an amino acid is present in physiological pH?

A

Zwitterionic

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5
Q

What is the PI taken from?

A

The average of the two PKa values that are most similar

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6
Q

What does electrophoresis separate amino acids based on?

A

Charge

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