The sodium-glucose cotransporter is an example of _____________. The Na/K pump participates in ______ transport. Select one: a. Symport, active b. Antiport, active c. Symport, passive d. Antiport, passive
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The Na/K pump participates in ______ transport.
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- Which of the following is incorrect about membrane transport systems? a. Glucose transport in red blood cells is a uniport system b. The Na+/K+ ATPase is an antiport system c. The H+/K+ ATPase is an active transport system d. The chloride-bicarbonate exchanger in erythrocytes is a uniport systemWhich of the following statements is true about active transport? A. The transported species always moves against its electrochemical gradient. B. It is needed only for the transport of polar molecules. C. It is exergonic. D. It must be linked to ATP hydrolysis.Water moves via osmosis _______. a. throughout the cytoplasm b. from an area with a high concentration of other solutes to a lower one c. from an area with a low concentration of solutes to an area with a higher one d. from an area with a low concentration of water to one of higher concentration
- _______ is the net movement of substances from a high concentration to a low concentration medium, whereas the _______ is the net movement of water across a membrane. a. Diffusion- ultrafiltration b. Dialysis-osmosis c. Diffusion-osmosis d. Osmosis-diffusionWhich of the following is an example of a primary active transport? a.CPT-I b.Na+/K+ pump c.proton pump d.O2 pumpIf the fluid inside a cell has a 1.5% solute concentration, which of the following solution(s) would be considered HYPOTONIC? SELECT ALL THAT APPY A. A solution with 3.4% calcium phosphate concentration B. A solution with 1.4% glucose concentration C. A solution with 2.5% potassium chloride concentration D. A solution with 0.5% sodium chloride concentration\
- Differentiate between the following:(a) Diffusion and Osmosis(b) Transpiration and EvaporationWhen a semipermeable sac filled with a solution containing 10% glucose is immersed in water, the fluid volume in the sac increases. What would happen if the sac solution was replaced with a 20% glucose solution? Group of answer choices A) sac would gain more fluid B) sac would gain the same amount of fluid C) no effect D) sac would lose fluidCompare channels and transporters. Channels are __________, and transporters are __________. Select one: a. slower, more selective b. Less selective, slower c. faster, less selective d. slower, less selective e. more selective, faster
- Active transport of a substance across a membrane requiresa. a gradient b. the expenditure of ATP c. water d. diffusionDuring passive transport, substances will move across a selectively permeable membrane until… explain why A. There is no longer any energy to be used B. All solutes reach the other side of the membrane C. There is no more room inside of the cell D. Equilibrium is reachedWhich of the following will saturate as solute concentration increases? a. Transport of sucrose down its concentration gradient by the carrier protein GLUT2 b. Transport of chloride ions out of the endoplasmic reticulum and into the cytoplasm via a channel protein c. Engulfing of a pathogen by a white blood cell during an immune response d. All of the above
