Which of the following transporters contributes to the transcellular transport of glucose? A) All of the...
Which of the following transporters contributes to the transcellular transport of glucose?
| A) All of the above |
| B) C&D only |
| C) Glucose uniporter |
| D) Na+/ glucose symporter |
| E) Na+/K+ pump |
Homework Answers
Transport of glucose across cells occurs by both uniporters and NA+/glucose symporter i.e. co4ect option is option D.
GLUT is the kind of uniporter transport protein that does the function glucose transport distributed throughout body. Where as recently discovered is the sodium-dependent cotransport of glucose happens in intestinal absorption.
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Which of the following transporters contributes to the
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Imumseinratio that can be 2. Calculate the maximum (glucose]out achieved by the plasma membrane N...
imumseinratio that can be 2. Calculate the maximum (glucose]out achieved by the plasma membrane Na*-glucose symporter of an epithelial cell when [Na']n 12 mM, [Nalout 145 mM, the membrane potential is -50 mV (inside negative), and the temperature is 37 °C Apical surface Basal surface Intestinal Blood lumen 2 K* Microvili Epithelial cell 3 Na+ Na"K+ ATPas Glucose Glucose Glucose uniporter GLUT2 (facilitates Na -glucose symporter (driven by high extracellular Na I downhill efflux)
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Question 1 Which of the following are likely to diffuse through the plasma membrane? glucose K+...
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What more info do you need? This is all I've been provided. 1. Intestinal epithelial cells...
What more info do you need? This is all I've been provided.
1. Intestinal epithelial cells pump glucose into the cell against its concentration gradient using the Na-glucose symporter. Recall that the Na concentration is significantly higher outside the cell than inside the cell. The symporter couples the "downhill" transport of two Na' ions into the cell to the "uphill" transport of glucose into the cell. (opts) a. If the Na concentration outside the cell ([Na Jou) is 161 mM...
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5/2400 Resources Give Up Hint Intestinal epithelial cells pump glucose into the cell against its concentration grad...
5/2400 Resources Give Up Hint Intestinal epithelial cells pump glucose into the cell against its concentration gradient using the Nat-glucose symporter. Recall that the Nat concentration is significantly higher outside the cell than inside the cell. The symporter couples the "downhill" transport of two Nations into the cell to the "uphill" transport of glucose into the cell. If the Na+ concentration outside the cell (INa1.) is 151 mM and that inside the cell ([Na]) is 23.0 mm, and the cell...
4. Glutamine transporters are proteins that, ironically enough, transport glutamine across a memb...
4. Glutamine transporters are proteins that, ironically enough, transport glutamine across a membrane. These transporters usually transport sodium along with them. Below is a depiction of the glutamine transport. The binding affinity for glutamine when it's open to the outside is 0.2 mM, while inside it spikes to 5 mM. Na Gln 1 mM 0.4mM Gln 0.7 mM Nat 0.5 mM Which direction would you hypothesize the sodium flow is going in? Why is this sodium transport necessary? When the...
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QUESTION 32 Which of the following is an example of a gradient-driven active transporter A. Aquaporin water transport B. Na+K+ ATPase C. glucose permease transport D. Osmosis E. Na+glucose symport F. All of these answers are correct G. None of these answers are correct
imumseinratio that can be 2. Calculate the maximum (glucose]out achieved by the plasma membrane Na*-glucose symporter of an epithelial cell when [Na']n 12 mM, [Nalout 145 mM, the membrane potential is -50 mV (inside negative), and the temperature is 37 °C Apical surface Basal surface Intestinal Blood lumen 2 K* Microvili Epithelial cell 3 Na+ Na"K+ ATPas Glucose Glucose Glucose uniporter GLUT2 (facilitates Na -glucose symporter (driven by high extracellular Na I downhill efflux)
imumseinratio that can be 2. Calculate...
Question 1 Which of the following are likely to diffuse through the plasma membrane? glucose K+ Cl- H20 Na+ CO2 02 lipid Question 4 Which is(are) true about transport across the membrane? Channels can perform either active or passive transport Charged molecules move according to their electrochemical gradients Movement of an ion down its gradient requires energy Transporters are faster but less selective than channels Question 6 In the coupled transport of Na+ and glucose, the transporter O is an...
What more info do you need? This is all I've been provided.
1. Intestinal epithelial cells pump glucose into the cell against its concentration gradient using the Na-glucose symporter. Recall that the Na concentration is significantly higher outside the cell than inside the cell. The symporter couples the "downhill" transport of two Na' ions into the cell to the "uphill" transport of glucose into the cell. (opts) a. If the Na concentration outside the cell ([Na Jou) is 161 mM...
The Na glucose symporter transports glucose from the lumen of the small intestine into cells lining the lumen. Transport of 1 glucose molecule is directly coupled to the transport of 2 Nations into the cell. 2 Na*(out) + 1 glucose(out) - 2 Nat(in) + 1 glucose(in) Assume the following conditions at 37 °C: [Nalin - 12 mm, [Na lout = 145 mm, (glucoseJout = 28 pm, and Ay =-72 mV (inside negative). Faraday constant F = 96,485 C/mol, ideal gas...
5/2400 Resources Give Up Hint Intestinal epithelial cells pump glucose into the cell against its concentration gradient using the Nat-glucose symporter. Recall that the Nat concentration is significantly higher outside the cell than inside the cell. The symporter couples the "downhill" transport of two Nations into the cell to the "uphill" transport of glucose into the cell. If the Na+ concentration outside the cell (INa1.) is 151 mM and that inside the cell ([Na]) is 23.0 mm, and the cell...
4. Glutamine transporters are proteins that, ironically enough, transport glutamine across a membrane. These transporters usually transport sodium along with them. Below is a depiction of the glutamine transport. The binding affinity for glutamine when it's open to the outside is 0.2 mM, while inside it spikes to 5 mM. Na Gln 1 mM 0.4mM Gln 0.7 mM Nat 0.5 mM Which direction would you hypothesize the sodium flow is going in? Why is this sodium transport necessary? When the...
QUESTION 32 Which of the following is an example of a gradient-driven active transporter A. Aquaporin water transport B. Na+K+ ATPase C. glucose permease transport D. Osmosis E. Na+glucose symport F. All of these answers are correct G. None of these answers are correct
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