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Biochemistry

Which of the following statements about covalently bonded molecules is false?

Biochemistry, pH and Macromolecules, Water /
Question: Which of the following statements about covalently bonded molecules is false?
[A].

Electrons are shared between the atoms that make up the molecule

[B].

Noncovalent bonds may also be present, especially if the molecule is large

[C].

Such molecules often result from the interaction of ionized atoms

[D].

The chemical bonds that hold the molecule together are relatively strong

Answer: Option C

Explanation:

No answer description available for this question.

Which of the following statements about covalently bonded molecules is false? Read More »

Biochemistry, pH and Macromolecules, Water

Which of the following organic groups are found in naturally occuring amino acids?

Biochemistry, pH and Macromolecules, Water /
Question: Which of the following organic groups are found in naturally occuring amino acids?
[A].

Guanidinium ion

[B].

Indole

[C].

Imidazole

[D].

All of these

Answer: Option D

Explanation:

No answer description available for this question.

Which of the following organic groups are found in naturally occuring amino acids? Read More »

Biochemistry, pH and Macromolecules, Water

Most of the important functional groups in biological molecules contain

Biochemistry, pH and Macromolecules, Water /
Question: Most of the important functional groups in biological molecules contain
[A].

oxygen and/or nitrogen and are acidic

[B].

oxygen and a phosphate

[C].

nitrogen and a phosphate

[D].

oxygen and/or nitrogen and are polar

Answer: Option D

Explanation:

No answer description available for this question.

Most of the important functional groups in biological molecules contain Read More »

Biochemistry, pH and Macromolecules, Water

Models of end-linked Osaka VI Fibrinogen dimers, a bilayer dimer is linked at

Biochemistry, Vitamins And Coenzymes /
Question: Models of end-linked Osaka VI Fibrinogen dimers, a bilayer dimer is linked at
[A].

both ends by one disulfide bond

[B].

either end via two disulfide bonds

[C].

either end via a single disulfide bond

[D].

both ends by two disulfide bonds

Answer: Option D

Explanation:

No answer description available for this question.

Models of end-linked Osaka VI Fibrinogen dimers, a bilayer dimer is linked at Read More »

Biochemistry, Vitamins And Coenzymes

β-carotene together with α-carotene, γ-carotene and cryptoxanthine are synthesized by

Biochemistry, Vitamins And Coenzymes /
Question: β-carotene together with α-carotene, γ-carotene and cryptoxanthine are synthesized by
[A].

plants

[B].

animal

[C].

plants and animals both

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

β-carotene together with α-carotene, γ-carotene and cryptoxanthine are synthesized by Read More »

Biochemistry, Vitamins And Coenzymes