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Total Questions : 244 | Page 25 of 25 pages
Question 241. Which of the following is not a mechanism for altering the flux of metabolites through the rate-determining step of a pathway?
  1.    Covalent modification of the enzyme
  2.    Diffusional coupling between adjacent active sites
  3.    Genetic control of the enzyme concentration
  4.    Allosteric control of the enzyme activity
 Discuss Question
Answer: Option B. -> Diffusional coupling between adjacent active sites
Question 242. Fructose-2,6-bisphosphate
  1.    activates fructose-1,6-bisphosphatase
  2.    inhibits fructose-1,6-bisphosphatase
  3.    both (b) and (c)
  4.    activates phosphofructokinase
 Discuss Question
Answer: Option C. -> both (b) and (c)
Question 243. Glucose from the breakdown of glycogen is obtained in
  1.    both (a) and (b)
  2.    the muscles by hydrolysis
  3.    the liver by phosphorolysis
  4.    the muscles by phosphorolysis
 Discuss Question
Answer: Option A. -> both (a) and (b)
Question 244. Glycogen has
  1.    α-1,4 linkage
  2.    α-1,6 linkages
  3.    α-1,4 and α-1,6 linkages
  4.    α-1,4 and β-1,6 linkage
 Discuss Question
Answer: Option C. -> α-1,4 and α-1,6 linkages

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