32. An example of a gradient- driven active transporter is- (E.) Na+ glucose symport
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QUESTION 32 Which of the following is an example of a gradient-driven active transporter O A...
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
Question 33 2.5 pts The Na+-K+ ATPase transporter found in the plasma membrane of most animal cells gets its energy from: ATP hydrolysis The electrochemical gradient across the membrane O Co-transport of H+ into the cell None are correct, this transporter functions by facilitated diffusion All are correct
Choose the item in column 2 that best matches each item in column 1. You may use a column 2 item more than once. A requires direct ATP hydrolysis CO2, O2, H20 driven by an ion gradient - A active transport and indirect active transport transports glucose across membranes Bindirect active transport B. Na glucose symport facilitated diffusion (passive transport) Na */ ATPase pump D, active transport F. transports small, nonpolar molecules facilitated diffusion and active transport A F. simple...
QUESTION 2 Which of the following is NOT an example of facilitated diffusion O A. lon channel transport. OB. All of these answers are examples of facilitated diffusion O C. Glucose transport by GLUT1. O D. None of these answers are examples of facilitated diffusion OE. Aquaporin transport. OF. Oxygen transport.
1) Glucose enters human enterocytes (intestinal epithelial cells) against its concentration gradient. A Na+ ion enters the cell with each glucose molecule, and while the glucose transporter does not hydrolyze ATP, it depends on a pre-existing gradient of Na+ ions that is created by the Na+/K+ ATPase. This is an example of ____________. A. primary active uniport B. secondary active antiport C. primary active symport D. secondary active symport 2) Which statement is FALSE? A. Acetyl CoA is oxidized to...
How does facilitated diffusion differ from simple diffusion? Facilitated diffusion requires ATP Facilitated diffusion requires a solute-specific protein carrier Facilitated diffusion transports solute against its’ concentration gradient Which of the following is TRUE about primary active cell membrane transport? It is a form of transport that requires a protein “pump” It is a form of transport that transports ions and/or solute against their concentration gradient It is a transport mechanism that requires energy released from the splitting of ATP by...
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...
QUESTION 39 Whereas animal cells drive indirect transport across the plasma membrane with a Na+ gradient, other organisms like plants and bacteria use O A a glucose gradient B. a Ca2+ gradient C. a proton gradient D. osmosis E. endocytosis and exocytosis. Flight energy
Lo 10: Electrochemical Gradient The difference in voltage across the membrane is called the __________________________________. The inside of a normal cell is ___________________ (+/-); while the outside is ___________(+/-). The resting membrane potential of a neuron is ___________mV. Diagram the relative ratios of Ca++, Na+ and K+ in a cell under resting conditions. Draw an arrow for each of the molecules indicating which direction would be passive transport (into or out of the cell). For each of the following sentences, fill in...
10) Which of the following is NOT an example of facilitated diffusion? A) GLUTI glucose transporter B) anion exchange protein C) aquaporins D) channel proteins E) oxygen transport Select the correct answer from the above choices? Explain your answer?