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MCQs

Total Questions : 193 | Page 17 of 20 pages
Question 161. Vitamin-C is considered as a
  1.    water soluble
  2.    fat soluble
  3.    fat and water soluble
  4.    none of these
 Discuss Question
Answer: Option A. -> water soluble
Answer: (a).water soluble
Question 162. Dihydroorotate dehydrogenase contains
  1.    4 flavins and 4 atoms of iron per molecule
  2.    2 flavins and 4 atoms of iron per molecule
  3.    2 flavins and 2 atoms of iron per molecule
  4.    4 flavins and 2 atoms of iron per molecule
 Discuss Question
Answer: Option A. -> 4 flavins and 4 atoms of iron per molecule
Answer: (a).4 flavins and 4 atoms of iron per molecule
Question 163. Which of these hormones is a catecholamine?
  1.    Follitropin
  2.    Norepinephrine
  3.    Tetraiodothyronine
  4.    Tetrahydrofolate
 Discuss Question
Answer: Option B. -> Norepinephrine
Answer: (b).Norepinephrine
Question 164. The vitamin niacin is part of the __________ molecule.
  1.    ferredoxin
  2.    pyridoxal phosphate
  3.    pyrophosphate
  4.    NAD+
 Discuss Question
Answer: Option D. -> NAD+
Answer: (d).NAD+
Question 165. E.coli ACP has its molecular weight as around
  1.    9000
  2.    19000
  3.    39000
  4.    90,000
 Discuss Question
Answer: Option A. -> 9000
Answer: (a).9000
Question 166. What is the cause of the genetic disease known as Galactosemia?
  1.    Deficiency in lactase
  2.    Absence of galactose 1-P uridyl transferase
  3.    Absence of lactose synthetase
  4.    Non functioning of semnase
 Discuss Question
Answer: Option B. -> Absence of galactose 1-P uridyl transferase
Answer: (b).Absence of galactose 1-P uridyl transferase
Question 167. Each reaction in a metabolic pathway is
  1.    reversible
  2.    irreversible
  3.    catalyzed by a specific enzyme
  4.    controlled by the end product
 Discuss Question
Answer: Option C. -> catalyzed by a specific enzyme
Answer: (c).catalyzed by a specific enzyme
Question 168. Which of the following is the correct Line weaver-Burk equation?Which Of The Following Is The Correct Line Weaver-Burk Equat...
  1.    a
  2.    b
  3.    c
  4.    d
 Discuss Question
Answer: Option A. -> a
Answer: (a).a
Question 169. Which of the following is false?Which Of The Following Is False?
  1.    Allosteric modulators may be inhibitory or stimulatory
  2.    Based on the nature of modulator, allosteric enzymes are of two types
  3.    Homotropic allosteric enzymes have the substrate and modulator same
  4.    Heterotropic allosteric enzymes have the substrate and modulator same
 Discuss Question
Answer: Option D. -> Heterotropic allosteric enzymes have the substrate and modulator same
Answer: (d).Heterotropic allosteric enzymes have the substrate and modulator same
Question 170. In the case of allosteric enzymes what is the graphical representation when initial velocity is plotted against substrate concentration?In The Case Of Allosteric Enzymes What Is The Graphical Repr...
  1.    Straight line with negative slope
  2.    Hyperbola
  3.    Sigmoid curve
  4.    Parabola
 Discuss Question
Answer: Option C. -> Sigmoid curve
Answer: (c).Sigmoid curve

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