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Biochemistry I- Barry BMS Questions and Answers 100% Solved
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Biochemistry I- Barry BMS
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Biochemistry I- Barry BMSZwitterionic Ion - answer form of aa. that exists in physiological pH 7.3-7.4
True or False. The R Group is attached to the alpha carbon in an amino acid. - answer
True.
True or False.20 core amino acids are chiral compounds with the exception of glycine -
answer True
If an amino acid has a high Ka, what does that mean in regards to protonation? -
answer The more likely the functional group is to be ionized a physiological pH as a
proton is donated
True or False. If an amino acid has a high Ka and a low pka, that means it is a weak
acid - answer False. It is a strong acid.
True or False. There is variable flexibility within the peptide bond - answer False.
There's flexibility on either side of the peptide bond
Peptide bonds
a) rigid covalent bonds
b) stable
c)ionized a physiological pH
d) all of the above
e) a & b - answerAnswer: e
Amino Acids are said to be positioned in the _________ position.
a) steric
b) cis
c) trans
d) none of the above - answerc
The primary structure...
a) alpha amino end and carboxylate end relate to arrangement of DNA molecule
b) largely determined by sequence of DNA Bases
c) determines the functional 3-D shape of a protein
d) all of the above - answerd) all of the above
What causes the activation of proinsulin? - answerReleasing of the C peptide due to
proteolytic cleavage between residues 30-31 and 65-66
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