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MCQs

Protoplasms And Tissues, Cytoplasmic Membrane Systems, Tissues

Total Questions : 143 | Page 11 of 15 pages
Question 101. In catalytic receptors, the activity initiator at the extracellular surface is
  1.    protein binding
  2.    ion binding
  3.    ligand binding
  4.    cell binding
 Discuss Question
Answer: Option C. -> ligand binding
Answer: (c).ligand binding
Question 102. Channels that help ions to cross the membrane are called as
  1.    protein channels
  2.    ion channels
  3.    molecule channels
  4.    membrane channels
 Discuss Question
Answer: Option D. -> membrane channels
Answer: (d).membrane channels
Question 103. Movement of phospholipids from side to side is known as
  1.    intracellular diffusion
  2.    extracellular diffusion
  3.    flip flop
  4.    lateral diffusion
 Discuss Question
Answer: Option D. -> lateral diffusion
Answer: (d).lateral diffusion
Question 104. A type of movement which does not requires energy is called
  1.    Active transport
  2.    Facilitate diffusion
  3.    Passive transport
  4.    Movement against the concentration gradient
 Discuss Question
Answer: Option B. -> Facilitate diffusion
Answer: (b).Facilitate diffusion
Question 105. Trans bilayer diffusion is also known as
  1.    intracellular diffusion
  2.    extracellular diffusion
  3.    flip flop diffusion
  4.    lateral diffusion
 Discuss Question
Answer: Option C. -> flip flop diffusion
Answer: (c).flip flop diffusion
Question 106. During resting potential, the cell membrane is
  1.    positive
  2.    negative
  3.    neutral
  4.    none of above
 Discuss Question
Answer: Option B. -> negative
Answer: (b).negative
Question 107. The net charge given by K+ leak channel to inside of cell is
  1.    negative
  2.    positive
  3.    zero
  4.    none of above
 Discuss Question
Answer: Option A. -> negative
Answer: (a).negative
Question 108. The first phospholipid was identified in
  1.    1847
  2.    1857
  3.    1867
  4.    1877
 Discuss Question
Answer: Option A. -> 1847
Answer: (a).1847
Question 109. Membrane receptors transmit signals from extracellular space into
  1.    nucleus
  2.    mitochondria
  3.    cytoplasm
  4.    ribosomes
 Discuss Question
Answer: Option C. -> cytoplasm
Answer: (c).cytoplasm
Question 110. The number of carbon atoms in steroids are
  1.    7
  2.    10
  3.    17
  4.    15
 Discuss Question
Answer: Option C. -> 17
Answer: (c).17

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