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10 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Red blood cells placed in pure water would: |
B. Swell and burst |
A. Crenate and die B. Swell and burst C. Remain the same D. Swell initially & then return to normal size once equilibrium is reached |
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Cell membrane is: |
D. The phospholipid layer surrounding the cell |
A. A double layer of protein enclosing the plasma. B. Single layer cell C. Membrane composed of carbohydrate. D. The phosopholipid layer surrounding the cell
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Which of the following is true of diffusion. |
B. The diffussion is greater when the concentration gradient is greater |
A. The rate of diffusion is dependant on temprature B. The diffusion is greater when the concentration gradiant is greater C. The molecular weightvof yhe molecule does not affect the diffusion. D. Diffusion is greater when the body's temperatureis low |
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In a cell, calcium ions are stored in |
D. In both smooth and rough endoplasmic reticulum |
A. The nucleus B. The Golgi apparatus C. The mitochondria D. in both smooth and rough endoplasmic reticulum |
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Which of the following is not a subcellular structure |
A.intercellular material |
A. Intercellular material B. Cytoplasm C. Membranes D. Organelles |
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Which of the following transport system requires energy? |
C. Sodium and potassium pump |
A. simply diffusion B. Osmosis C. Sodium and potassium pump D.facilitated diffusion |
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Phospholipids : |
B. Are hydrophilic and hydrophobic |
A.Contain pinny polar trails B. Are hydrophilic and hydrophobic C. Contain only non-polar tails D. Have their tails directed to the outside |
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Mitochondria : |
A. contain some of the genes to replicate themselves |
A.contain some of the genes to replicate themselves B. Synthesise proteins for use outside the cell C. Have the same shape all the time D.are single membrane structure involved in the newish of carbohydrates |
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Fluid moves through a process called |
A. Osmosis |
A. Osmosis B. diffusion C. mitosis D. Exocytosis |
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Cells in a hypertonic solution will. |
A. Crenate and die |
A. Crenate and die B. Swell and burst C. Will remain the same D. Both A and B |
