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MOLECULAR BIOLOGY MCQs

Total Questions : 32 | Page 3 of 4 pages
Question 21. What is the molecule called that mitochondria produce when they respire glucose?
  1.    ATP
  2.    ADP
  3.    DNA
  4.    80p
 Discuss Question
Answer: Option A. -> ATP
Question 22. Where does cellular respiration take place in the cell?
  1.    Cell Membrane
  2.    Nucleus
  3.    Mitochondria
  4.    Vacuole
 Discuss Question
Answer: Option C. -> Mitochondria
Question 23. What is the purpose of cellular respiration?
  1.    to break down food
  2.    to create energy in the body
  3.    to release energy from food
  4.    there is none; it's a waste of time
 Discuss Question
Answer: Option C. -> to release energy from food
Question 24. What are the reactants in the equation for cellular respiration?
  1.    oxygen and lactic acid
  2.    carbon dioxide and water
  3.    glucose and oxygen
  4.    water and glucose
 Discuss Question
Answer: Option C. -> glucose and oxygen
Question 25. How many RNA polymerases are present in a bacterial system?
  1.    4
  2.    2
  3.    1
  4.    3
 Discuss Question
Answer: Option C. -> 1
Question 26. Which enzyme is used in the unwinding of DNA?
  1.    Ligase
  2.    Topoisomerase
  3.    Helicase
  4.    Exonuclease
 Discuss Question
Answer: Option C. -> Helicase
Question 27. What are the products of cellular respiration?
  1.    oxygen and water
  2.    carbon dioxide and water
  3.    oxygen and sugar
  4.    carbon dioxide and sugar
 Discuss Question
Answer: Option B. -> carbon dioxide and water
Question 28. What is a product of cellular respiration?
  1.    Glucose
  2.    Oxygen
  3.    Sun Light
  4.    Carbon Dioxide
 Discuss Question
Answer: Option D. -> Carbon Dioxide
Question 29. What is the energy source for cellular respiration?
  1.    Solar Energy
  2.    Glucose
  3.    Chemical Energy
  4.    Both A & B
 Discuss Question
Answer: Option B. -> Glucose
Question 30. The reactants of photosynthesis are
  1.    sugar and water.
  2.    sugar and oxygen.
  3.    carbon dioxide and water.
  4.    carbon dioxide and oxygen.
 Discuss Question
Answer: Option C. -> carbon dioxide and water.

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