Term
| Seawater is always hyperosmotic relative to normal blood |
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Definition
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Term
| A solution identified as hypertonic may be hyperosmotic in comparison with other liquids, but is never isotonic |
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Definition
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Term
| Water moves by osmosis from hypertonic to hypotonic solutions in contact with each other and separated by a semipermeable membrane |
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Definition
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Term
| There can be no pinocytosis in an anaerobic environment due to the complete absence of ATP |
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Definition
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Term
| A hypotonic solution is always hyposmotic relative to normal blood |
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Definition
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Term
| Endocytosis does not require energy to take place because material is only entering the cell |
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Definition
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Term
| Active transport requires ATP and therefore can never take place in an anaerobic environment |
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Definition
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Term
Which of the following is true about the sodium-potassium pump:
- moves 3 Na+ out of the cell for each 2 K+ moved into the cell
- moves 2 Na+ out of the cell for each 3 K+
moved into the cell
- moves 3 Na+ into each cell for each 2 K+ moved out of the cell
- moves 2 Na+ into each cell for each 3 K+ moved out of the cell
- none of these
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Definition
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Term
Which is true for both saltwater and freshwater fish:
- they are isotonic
- they are hypertonic
- they are hypotonic
- they are hyperosmotic to each other
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Definition
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Term
A red blood cell is placed in distilled water and starts to swell. Just before the cell lyses you take a sample of cytoplasm and analyze it. It is found to be what:
- isotonic
- hypertonic
- hypotonic
- hyposmotic
- none of the above
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Definition
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Term
Which of the following is not true for a freshwater fish in fresh water:
- net diffusion of NaCl into the body at the gills
- hyperosmotic body contents relative to the environment
- active uptake of NaCl into the body at the gills
- large amounts of dilute urine produced
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Definition
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Term
| What is the name of the curve which describes the shape of the relationship between the partial pressure of oxygen and the percent saturation of hemoglobin with oxygen? |
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Definition
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Term
| Are sodium or potassium ions actively pumped out of the cell at a faster rate? |
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Definition
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Term
| Water molecules pass through cell membranes through specialized pores called______ |
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Definition
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Term
| Freshwater and saltwater fish use what organ, in addition to the gills, to regulate salt and water balance? |
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Definition
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Term
| Cell pumps, channels, enzymes, and receptors are composed of the same basic, structural compound which is_____ |
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Definition
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