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Biochemistry - Structure and Properties of Peptides

Exercise : Structure and Properties of Peptides - Section 1
  • Structure and Properties of Peptides - Section 1
6.
In deoxy hemoglobin (Hb), the Fe (II) is coordinated to
four nitrogens of heme, the proximal His, and a water molecule
four nitrogens of heme and to a water molecule
two nitrogens of heme and to three His residues in Hb
two nitrogens of heme and to three water molecules
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
In the β-pleated sheet
hydrogen bonds are formed between the peptide bonds
adjacent polypeptide chains can either be parallel or antiparallel
the polypeptide chain is fully extended
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
The Ramachandran Plot illustrates the fact that
the peptide bond is planar
the F & Y angles can assume any value in a peptide
the F & Y angles can assume only a single value in a protein
the F & Y angles can assume approximately three different values
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The resonance structures that can be drawn for the peptide bond indicate that the peptide bond
is stronger than an ordinary single bond
has partial double bond character
both (a) and (b)
is still not completely understood
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The major element of secondary structure in myoglobin and hemoglobin is
the P-strand
the a-helix
the reverse turn
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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