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Biochemistry

Why is the TCA cycle the central pathway of metabolism of the cell?

Biochemistry, Tca Cycle /
Question: Why is the TCA cycle the central pathway of metabolism of the cell?
[A].

It occurs in the center of the cell

[B].

Its intermediates are commonly used by other metabolic reactions

[C].

All other metabolic pathways depend upon it

[D].

None of the above

Answer: Option B

Explanation:

No answer description available for this question.

Why is the TCA cycle the central pathway of metabolism of the cell? Read More »

Biochemistry, Tca Cycle

In deoxy hemoglobin (Hb), the Fe (II) is coordinated to

Biochemistry, Structure And Properties Of Peptides /
Question: In deoxy hemoglobin (Hb), the Fe (II) is coordinated to
[A].

four nitrogens of heme, the proximal His, and a water molecule

[B].

four nitrogens of heme and to a water molecule

[C].

two nitrogens of heme and to three His residues in Hb

[D].

two nitrogens of heme and to three water molecules

Answer: Option A

Explanation:

No answer description available for this question.

In deoxy hemoglobin (Hb), the Fe (II) is coordinated to Read More »

Biochemistry, Structure And Properties Of Peptides

Heme is the binding pocket of myoglobin and hemoglobin and is composed of

Biochemistry, Structure And Properties Of Peptides /
Question: Heme is the binding pocket of myoglobin and hemoglobin and is composed of
[A].

negatively charged residues

[B].

polar residues

[C].

hydrophobic residues

[D].

positively charged residues

Answer: Option C

Explanation:

No answer description available for this question.

Heme is the binding pocket of myoglobin and hemoglobin and is composed of Read More »

Biochemistry, Structure And Properties Of Peptides

Peptides in the fully extended chain conformation

Biochemistry, Structure And Properties Of Peptides /
Question: Peptides in the fully extended chain conformation
[A].

have Y = F = 180°

[B].

do not occur in nature

[C].

also have a cis geometry in their peptide bonds

[D].

are equivalent to the (3-sheet structure

Answer: Option A

Explanation:

No answer description available for this question.

Peptides in the fully extended chain conformation Read More »

Biochemistry, Structure And Properties Of Peptides