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 those ions do not have specific pumps in membrane? Select one: a. K O b. H O c. CI d. NaThe Na+/glucose cotransporter in ION-GRADIENT-DRIVEN ACTIVE TRANSPORT, ________moves down its gradient and _______ against its gradient. Na+/K+ Na+/Na+ Na+/glucose glucose/glucose
- A 500mL beaker is equally divided by a membrane permeable only to NaCl. Side A contains 250mL of a 1x10-6M of NaCl. Side B contains 250mL 1x10-12M of NaCl. In which direction will the NaCl diffuse? Select one: a. Diffuse Side A to Side B. b. Diffuse Side B to Side A. c. No diffusion will occur; it is already at equilibrium.Solutes tend to diffuse from a region where they are _______ more/less concentrated to an adjacent region where they are ________ more/less concentrated.The figure below illustrates glucose uptake in the intestine into the endothelial cells and eventually from the intestine into the blood. Intestinal Blood lumen Microvili 2K Epithelial cell O3 Na 2 Na go Na"K* ATPase Glucose Glucose The figure shows three transport systems I, II, and III which are a and respectively. A. antiporter, symporter, and uniporter B. uniporter, antiporter, and symporter c. symporter, antiporter, and uniporter D. symporter, uniporter, and antiporter E, antiporter, uniporter, symporter
- Which of the following statements is/are true about transport proteins?I. They carry out biochemical functions that remove nutrients in a cell.II. They are proteins which have high specificity to a single kind of molecule.III. They function to accumulate solutes against the concentration gradient.IV. They are highly regulated in a cell.Glucose moves into red blood cells via facilitated diffusion using the glucose transporter. Glucose transporter, also known as GLUT, is a uniporter. How does a uniporter work? A Uniporter transports one solute at a time in the same direction. (B Uniporter transports two different solutes at the same time in the same direction. CUniporter transports two different solutes in opposite directions. D Uniporter transports two similar solutes at the same time in the same direction.ABC transporters are: a. An example of active transport with activity in multi-drug resistance. b. An example of passive-mediated transport with activity in multi-drug resistance. c. An example of an ion channel that binds ATP for effective transport. d. An example of a pump involved in Ca2+ transport. e. An example of an antiporter.
- The greater the magnitude of the concentration gradient: a. the more rapid the rate of diffusion. b. the more likely mediated transport is required. c. the easier it is to reverse the flux. d. the higher number of ATPs required to diffuse. e. all of the above is true.The passive non-mediated movement of particles across a membrane driven by pressure is A. filtration B. diffusion C. facilitated diffusion D. osmosis E. active transport F. vesicular transportWhich of the following is an example of a primary active transport? a.CPT-I b.Na+/K+ pump c.proton pump d.O2 pump