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MCQs

Total Questions : 111 | Page 11 of 12 pages
Question 101. Kinase proteins affect activity of other proteins by
  1.    phosphorylation
  2.    de phosphorylation
  3.    hydrogenation
  4.    oxidation
 Discuss Question
Answer: Option A. -> phosphorylation
Answer: (a).phosphorylation
Question 102. How many times a normal mammalian cell divides before it ages and dies?
  1.    1000
  2.    50
  3.    5
  4.    200
 Discuss Question
Answer: Option B. -> 50
Answer: (b).50
Question 103. Which of following enzyme cleaves cohesin proteins?
  1.    Segregase
  2.    Separase
  3.    protease
  4.    cohesinase
 Discuss Question
Answer: Option B. -> Separase
Answer: (b).Separase
Question 104. Which of following checkpoints is also known as 'restriction checkpoint' in mammals?
  1.    g2 checkpoint
  2.    s checkpoint
  3.    g1 checkpoint
  4.    m checkpoint
 Discuss Question
Answer: Option C. -> g1 checkpoint
Answer: (c).g1 checkpoint
Question 105. A tumor that does not cause serious problems in body is called
  1.    benign
  2.    malignant
  3.    safe
  4.    premature
 Discuss Question
Answer: Option A. -> benign
Answer: (a).benign
Question 106. Which of organs are referred to as gonads?
  1.    excretory organs
  2.    respiratory organs
  3.    reproductive organs
  4.    circulatory organs
 Discuss Question
Answer: Option B. -> respiratory organs
Answer: (b).respiratory organs
Question 107. Formation of cleavage furrow is first sign of
  1.    cytokinesis
  2.    mitosis
  3.    metaphase
  4.    anaphase
 Discuss Question
Answer: Option A. -> cytokinesis
Answer: (a).cytokinesis
Question 108. HeLa cell line is an example of which of following cells?
  1.    cancer cells
  2.    nerve cells
  3.    somatic cells
  4.    infectious cells
 Discuss Question
Answer: Option A. -> cancer cells
Answer: (a).cancer cells
Question 109. Which of following is an example of a gonad?
  1.    heart
  2.    lung
  3.    liver
  4.    ovary
 Discuss Question
Answer: Option D. -> ovary
Answer: (d).ovary
Question 110. In which of following stages do chromatids align along mitotic spindle?
  1.    telophase
  2.    anaphase
  3.    prometaphase
  4.    metaphase
 Discuss Question
Answer: Option D. -> metaphase
Answer: (d).metaphase

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