Which does not pertain to facilitated transport?
  • Anaphase
  • Interphase
  • Metaphase
  • Prophase
Absorption of diffusible ions by cells against the concentration gradient is called
  • Excretion of urea and hydrogen ions by mammalian kidneys
  • Absorption of amino acids from the gut
  • Absorption of mineral ions by plant roots
  • Absorption of fructose and nucleotides in the small intestine
Consider the following statements about facilitated transport: (A) Requires ATP energy (B) Transport saturates (C) Highly selective (D) Requires special membrane, properties (E) Uphill transport Of the above statements,
  • Donnan equilibrium
  • Passive absorption
  • Active absorption
  • Osmosis
Which of the following statements are true/false? a. The positive hydrostatic pressure is called turgor pressure. b. Wall pressure is exerted to prevent the increase of protoplasm size. c. Diffusion is more rapid in liquids than in gases. d. Diffusion of water through a semi-permeable membrane is called imbibition. e. Osmosis is the movement of substances which occurs along a diffusion gradient.
  • B, C and E are relevant, but A and E are irrelevant.
  • A, B and C are relevant, but D and E are irrelevant.
  • A, D and E are relevant, but B and C are irrelevant.
  • C, D and E are relevant, but A and B are irrelevant.
  • B, C and D are relevant, but A and D are irrelevant.
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