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BIO 301 EXAM FALL 2024 VERIFIED QUESTIONS AND ANSWERS S GRADED A+
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BIO 301 EXAM FALL 2024 VERIFIED QUESTIONS AND ANSWERS S GRADED A+
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BIO 301 EXAM FALL 2024BIO 301 EXAM FALL 2024 VERIFIED QUESTIONS AND
ANSWERS S GRADED A+
Which of Linus Pauling's hypothetical secondary stuctures is now believed to be
the most common, with naturally occurring examples in proteins like keratin,
myosin, myoglobin, and hemoglobin?
3.6 13 helix ( alpha helix)
The protein myoglobin, consisting of a single polypeptide with 154 amino acids,
contains how many peptide bonds?
153 bonds
In myoglobin what level of protein organization includes peptide bonds, hydrogen
bonds, ionic bonds, hydrophobic interactions, and van der Waal forces?
the tertiary structure
Prion diseases in humans, involving distortion of the normal alpha-helix into the
abnormal beta-pleated sheet structure, include all of the following except:
A) Creutzfeldt-Jakob disease
B) Bovine Spongiform Encephalopathy
,BIO 301 EXAM FALL 2024
C) Kuru (laughing sickness)
D) Gerstmann-Straussler syndrome
E) Fatal Familial Insomnia
B) Bovine Spongiform Encephalopathy
Denaturation of a multi-subunit protein, like hemoglobin (which contains 4
polypeptides), removes all of the following structures except:
A) Primary Structure
B) Secondary Structure
C) Tertiary Structure
D) Quaternary Structure
E) All of the above
A) Primary Structure
The enzyme hexokinase binds to glucose at lower glucose concentrations than does
the enzyme glucokinase, but glucokinase only binds to glucose (and not to other
hexose sugars). This means that:
hexokinase has a stronger affinity but a lower specificity for glucose than does
glucokinase.
, BIO 301 EXAM FALL 2024
Alcohol dehydrogenase, with 2 identical polypeptide subunits held together by
non-covalent forces in the functional protein, is an example of:
a homodimer
Lysozyme's use of aspartic acid and glutamic acid, to break the glycosidic bonds of
the eubacterial cell wall (composed of peptidoglycan), illustrates the common
enzymatic pattern of:
hydrolysis (catabolic), using polar amino acids at the active site.
ATP, which is loosely bound to the glycolytic enzyme hexokinase, can be correctly
categorized as all of the following except:
A) inorganic cofactor
B) organic cofactor
C) cosubstrate
D) Coenzyme
E) Cofactor
A) Inorganic Cofactor
The activity of a protein can be altered when it (the protein) becomes negatively
charged due to:
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