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MCQs

Total Questions : 159 | Page 12 of 16 pages
Question 111. If the ester bonds of a triacylglycerol molecule's are broken then the kind of molecule, which would be soluble in water, is
  1.    steroid
  2.    fatty acid
  3.    glycerol
  4.    glycogen
 Discuss Question
Answer: Option C. -> glycerol
Question 112. Which molecule serves as a carrier of fatty acids in mitochondria?
  1.    Carnitine
  2.    Acetyl-CoA
  3.    Dolichol
  4.    Malonyl-CoA
 Discuss Question
Answer: Option A. -> Carnitine
Question 113. If complex III were incorporated into an artificial lipid vesicle in order to demonstrate it's proton translocating ability in isolation, which of the following would be an appropriate electron donor?
  1.    Cytochrome c oxidase
  2.    Cytochrome c red
  3.    Cytochrome c peroxidase
  4.    Ubiquinol (UQH2)
 Discuss Question
Answer: Option D. -> Ubiquinol (UQH2)
Question 114. The cell membrane is made up of
  1.    phosphoproteins
  2.    lipoproteins
  3.    phospholipids
  4.    cellulose
 Discuss Question
Answer: Option B. -> lipoproteins
Question 115. The fluid matrix of a cell is called the
  1.    cytosol
  2.    cytoskeleton
  3.    nucleus
  4.    endoplasmic reticulum
 Discuss Question
Answer: Option A. -> cytosol
Question 116. Which of the following statements about the outer mitochondrial membrane is not true?
  1.    The outer membrane is impermeable to hydrogen ions
  2.    The outer membrane is about 50% lipid and 50% protein by weight
  3.    The outer membrane contains porins
  4.    The outer membrane is highly permeable to substances of small molecular weight
 Discuss Question
Answer: Option A. -> The outer membrane is impermeable to hydrogen ions
Question 117. Which of the following observations is not used as evidence to support the concept of endosymbiotic origin of chloroplasts and mitochondria?
  1.    Both strongly resemble prokaryotes, especially in size
  2.    Both can live and function independently of the cell
  3.    Both have their own ribosomes
  4.    Both have their own DNA
 Discuss Question
Answer: Option B. -> Both can live and function independently of the cell
Question 118. Specialized type of peroxisome and the site of glyoxylate pathway in certain plants is known as
  1.    none of these
  2.    glyoxysome
  3.    gly-peroxisome
  4.    lysosome
 Discuss Question
Answer: Option B. -> glyoxysome
Question 119. In plant cells, which of the following is not a function of the large central vacuoles of plant cells?
  1.    Waste storage water content
  2.    Storage of food
  3.    Contractile regulation of
  4.    Support
 Discuss Question
Answer: Option C. -> Contractile regulation of
Question 120. Which of the following can be found as a part of the mitochondrial matrix?
  1.    DNA
  2.    All of these
  3.    Ribosomes
  4.    Enzymes
 Discuss Question
Answer: Option B. -> All of these

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