Question: H2O and CH4 are both examples of
[A].molecules
ions
acids
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Biochemistry
Who discovered and described the blood groups (ABO) classification?
Question: Who discovered and described the blood groups (ABO) classification?
[A].Theodor Kocher
Karl Landsteiner
Otto Warburg
Karl Hooper
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Which of the following statements about covalently bonded molecules is false?
Question: Which of the following statements about covalently bonded molecules is false?
[A].Electrons are shared between the atoms that make up the molecule
Noncovalent bonds may also be present, especially if the molecule is large
Such molecules often result from the interaction of ionized atoms
The chemical bonds that hold the molecule together are relatively strong
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Which of the following organic groups are found in naturally occuring amino acids?
Question: Which of the following organic groups are found in naturally occuring amino acids?
[A].Guanidinium ion
Indole
Imidazole
All of these
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Most of the important functional groups in biological molecules contain
Question: Most of the important functional groups in biological molecules contain
[A].oxygen and/or nitrogen and are acidic
oxygen and a phosphate
nitrogen and a phosphate
oxygen and/or nitrogen and are polar
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
A fat-soluble vitamin that regulates blood clotting is
Question: A fat-soluble vitamin that regulates blood clotting is
[A].vitamin A
vitamin K
vitamin C
niacin
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Models of end-linked Osaka VI Fibrinogen dimers, a bilayer dimer is linked at
Question: Models of end-linked Osaka VI Fibrinogen dimers, a bilayer dimer is linked at
[A].both ends by one disulfide bond
either end via two disulfide bonds
either end via a single disulfide bond
both ends by two disulfide bonds
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
A deficiency of Vitamin K results in a decreased level of
Question: A deficiency of Vitamin K results in a decreased level of
[A].prothrombin
thrombin
fibrin
fibrinogen
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
An early sign of retinol deficiencies in man is
Question: An early sign of retinol deficiencies in man is
[A].night blindness
keratinization
xeropthalmia
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
β-carotene together with α-carotene, γ-carotene and cryptoxanthine are synthesized by
Question: β-carotene together with α-carotene, γ-carotene and cryptoxanthine are synthesized by
[A].plants
animal
plants and animals both
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.