Transport Across The Membrane
8 Questions
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Questions and Answers
- 1.The process of diffusion is where the particles move from low to high concentration.
- A.
True
- B.
False
- 2.Particles which are free to move across the cell membrane have ________ energy.
- A.
Partial
- B.
Free moving
- C.
Kinetic
- D.
Kinematic
- 3.Which of the following can move through cell membrane as a means of simple diffusion?
- A.
Fatty acids
- B.
O2 and CO2
- C.
Ions
- 4.Channel mediated facilitated diffusion is dependent on __________ channels to develop pathways for materials to pass through.
- A.
Carbohydrate
- B.
Glucose
- C.
Protein
- 5.The carrier in the mediated facilitated diffusion is known as the transporter.
- A.
True
- B.
False
- 6.
- A.
Passive
- B.
Facilitated
- C.
Secondary Active
- D.
Active
- 7.Which substance is required for the movement of substances across the membrane when going against the concentration gradient.
- A.
PC
- B.
Glucose
- C.
ATP
- 8.Osmosis is the diffusion of water across a semi permeable membrane. The water will move across the membrane where there is a lower concentration of water and a higher concentration of________
- A.
Air
- B.
Solute
- C.
O2
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