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26 Cards in this Set
- Front
- Back
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Diffusion and osmosis are ____ processes. |
Passive |
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Diffusion is the movement of solutes from an area of ____ concentration to an area of ____ concentration. |
Higher ; lower |
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Osmosis is the movement of a solvent from an area of ____ concentration to an area of ____ concentration across a selectively permeable membrane. |
Higher ; lower |
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During osmosis, water moves ____ its concentration gradient. |
Down |
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Which are permeable? Protein - glucose - water - glycogen - ion |
Glucose , ion , water |
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Which are impermeable? Protein - glucose - water - glycogen - ion |
Protein , glycogen |
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What is the driving force for diffusion? |
The kinetic energy energy of the molecules in motion |
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Which of the following would move the fastest?: Urea , Albumin , Glucose , or Sodium Chloride |
Sodium chloride |
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The movement of sodium and potassium maintained by the Na+-K+ pump... |
Requires the energy and is against a concentration gradient |
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The sodium-potassium pump is classified as a(n) ____ |
Antiporter |
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The sodium-potassium pump moves __ sodium ions and __ potassium ions simultaneously. |
3 ; 2 |
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What cells are filled with hemoglobin? |
Red blood cells (RBC) |
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Which cells are packed with actin and myosin? |
Cardiac muscle fiber |
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What cells are characterized by an extension called an axon? |
Neurons |
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What cells are propelled by a flagellum? |
Sperm |
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The prefix ____ means “within” or “between” |
Inter- |
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Which of the following requires a membrane-bound carrier for transport?: Filtration / Osmosis / Simple diffusion / or Facilitated diffusion |
Facilitated diffusion |
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The prefix ____ means “cell” |
Cyto- |
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The prefix ____ means “outside” |
Exo- |
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The prefix ____ means “within” |
Endo- |
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The prefix ____ means “center” |
Centr- |
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The button-like structure that holds homologous chromosomes together at their middles during cell division is called the ____. |
Centromere |
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____ transport vesicles bring something into a cell. |
Endocytic |
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The stage of the cellular lifecycle between divisions is called ____. |
Interphase |
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____ transport vesicles send something outside of a cell. |
Exocytic |
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When the solutes are evenly distributed throughout a solution, we say the solution has reached ____. |
Equilibrium |
