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Cell Biology

GENE EXPRESSION MCQs

Total Questions : 348

Page 1 of 35 pages
Question 1. Synthesis of which of following is directed by gene expression?
  1.    chromosomes
  2.    immune system
  3.    other genes
  4.    proteins
 Discuss Question
Answer is Option D. -> proteins
Answer: (d).proteins
Question 2. Which of following proteins are required to bring translation initiator complex together?
  1.    initiator proteins
  2.    translation proteins
  3.    spliceosomes
  4.    ribozymes
 Discuss Question
Answer is Option A. -> initiator proteins
Answer: (a).initiator proteins
Question 3. Which of following mutations changes one amino acid to another?
  1.    missense mutation
  2.    point mutation
  3.    substitution
  4.    addition
 Discuss Question
Answer is Option A. -> missense mutation
Answer: (a).missense mutation
Question 4. Which of following is not a part of translation initiator complex?
  1.    small ribosomal subunit
  2.    large ribosomal subunit
  3.    DNA
  4.    tRNA
 Discuss Question
Answer is Option C. -> DNA
Answer: (c).DNA
Question 5. Which of following can cause mutations?
  1.    heat
  2.    mutagens
  3.    water
  4.    malnourishment
 Discuss Question
Answer is Option B. -> mutagens
Answer: (b).mutagens
Question 6. Modified version of which of following acts as 'cap'?
  1.    guanine
  2.    cytosine
  3.    adenine
  4.    uracil
 Discuss Question
Answer is Option A. -> guanine
Answer: (a).guanine
Question 7. What happens at 3 prime ends of mRNA?
  1.    deletion of end
  2.    addition of cap
  3.    addition of poly t tail
  4.    addition of poly a tail
 Discuss Question
Answer is Option D. -> addition of poly a tail
Answer: (d).addition of poly a tail
Question 8. How many types of RNA polymerase is present in prokaryotes?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer is Option A. -> 1
Answer: (a).1
Question 9. Discrete functional and structural regions in proteins are called
  1.    beads
  2.    fingers
  3.    motifs
  4.    domains
 Discuss Question
Answer is Option D. -> domains
Answer: (d).domains
Question 10. Initial mRNA that has not yet been translated to a protein is called
  1.    initial transcript
  2.    new RNA
  3.    primary transcript
  4.    naive rRNA
 Discuss Question
Answer is Option C. -> primary transcript
Answer: (c).primary transcript
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Sub Topics

  • Bacteria And Archaea
  • Basics Of Cell Biology
  • Cell Division Cycle
  • Cell Signaling And Signal Transduction
  • Cellular Membranes
  • Cellular Reproduction
  • Chemical Basis Of Life
  • Chloroplast Structure And Function
  • Chromosomal Basis Of Inheritance
  • Cytoplasmic Membrane Systems
  • Cytoskeleton And Cell Motility
  • Extracellular Matrix And Cell Interactions
  • Gene Expression
  • Genetics Of Cancer And Immune Response
  • Genomes And Their Evolution
  • Molecular Basis Of Inheritance
  • Nucleus And Aerobic Respiration
  • Techniques In Cell Biology

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