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BIO 116 Final Exam 2024/2025 Latest Update
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BIO 116 Final Exam 2024/2025 Latest Update
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BIO 402 Final Exam 2024|2025 (Latest Update)The major carrier of chemical energy in all cells is:
acetyl triphosphate
adenosine monophosphate
adenosine triphosphate
cytosine tetraphosphate
uridine diphosphate (correct answer) adenosine triphosphate
Which group contains only uncommon amino acids?
arginine, proline, glycine
proline, isoleucine, histidine
hydroxyproline, methionine, hydroxylysine
hydroxyproline, seleocysteine , ornithine (correct answer)hydroxyproline, selenocysteine, ornithine
This peptide alanylglutamylglycylalanyleucine has:
a disulfide bridge
five peptide bonds
four peptide bonds
no free carboxyl group
two free amino groups (correct answer)four peptide bonds
While the composition of hemoglobin in adult humans is A2B2, in the fetus, _____ is observed
Z2E2
A2Z2
A2E2
A2D2
, (alpha - A, zeta - Z, gamma - y, delta - 8) (correct answer)None of the above
A2G2 (a2,y2)
Which is the C-terminal amino acid in the peptide val-leu-gly? (correct answer) Gly
N-term > C-term
What level of protein structure by the 3-D structure of an entire polypeptide including all amino acid side
chains?
primary
secondary
tertiary
quaternary
none of these (correct answer) tertiary
In a heme group, iron forms two coordianated bonds, one to oxygen and the other to _______. The
heme iron is in the _____ charge state.
His-64; Fe3+
His-93; Fe3+
His-64; Fe2+
His-93; Fe2+
none correct answerHis-93; Fe2+
How does CO2 affect hemoglobin-oxygen binding?
Co2 binds directly to the oxygen binding site
CO2 displaces BPG, thus promoting the oxy state
CO2 is converted to bicarbonate which promotes the
oxy state
CO2 is converted to bicarbonate which promotes the
deoxy state
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