H2O and CH4 are both examples of
Question: H2O and CH4 are both examples of [A]. molecules [B]. ions [C]. acids [D]. none of these 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 [B]. Karl Landsteiner [C]. Otto Warburg [D]. Karl Hooper 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 [B]. Noncovalent bonds may also be present, especially if the molecule is large [C]. Such molecules…
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 [B]. Indole [C]. Imidazole [D]. All of these 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 [B]. oxygen and a phosphate [C]. nitrogen and a phosphate [D]. oxygen and/or nitrogen and are polar Answer: Option D Explanation: No…
A fat-soluble vitamin that regulates blood clotting is
Question: A fat-soluble vitamin that regulates blood clotting is [A]. vitamin A [B]. vitamin K [C]. vitamin C [D]. niacin 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 [B]. either end via two disulfide bonds [C]. either end via a single disulfide bond [D]. both ends by…
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 [B]. thrombin [C]. fibrin [D]. fibrinogen 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 [B]. keratinization [C]. xeropthalmia [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
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.