al TEW 12:06 PM Retake Done ATP is required in the transfer of: molecules to areas of lower concentration a. b molecules through a protein channel molecules to areas of higher concentration C. all molecules across the plasma membrane d. n Rotate S Undo
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Can you please solve this question and say the correct letter
A channel protein is a protein that allows the transport of specific substances across a cell membrane.
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- 8. Define homeostasis. maintoining nterral balance 9. What role does the cell membrane play in maintaining homeostasis? 10. How is facilitated diffusion different from diffusion? How are they similar? 11. List two ways that active transport is different than passive transport. 1) 2) 12. Why is the sodium-potassium pump considered an active transport? Which direction are the sodium and potassium bing pumped? How many sodiums are being pumped? How many potassiums are being pumped?pQLScB3CBS-8U2yQp5UAPJA-R3spS6YB8srqTGBoSwdXc_EattnA/viewform dvisor Main... My Drive - Google... Your answer What is the difference between primary active transport and secondary active transport? The sodium potassium pump * Job Listing - USF... WT Enrollment Requir... Is a symporter Can be blocked with drugs Controls intracellular chloride and potassium concentrations Is a glycolipid Breaks down ATP in order to generate energy ATP can be broken down to generate energy * True False A copy of your responses will be emailed to lc21-0506@lclark.edu. Submit Chemic CleEues: The Equilibrium þetential ofan loń s the membrane valtage whech focces of ibn due to concentsatin difference is equal and opposita the on at acioss the memblane foce of con due to chage di ffeence acoss the memblane O Jue (2 False
- ntity_Sound+of+Waves (1) x S Forrar (wrap) y decorar tu libre S Schoold A districtims.seattleschools.org/common-assessment-delivery/start/5398502362?action3Donresume&submissionld%=657119921 Concentration, Osmosis, and Cell Environments HW Quiz Assume that the picture below shows environments on two sides of a selectively permeable membrane. Assume the light blue circles are wa molecules. Assume the red circles are glucose molecules. Which side has the higher concentration? water molecules will flow to the left water molecules will flow to the right water molecules will flow both ways, but mostly will flow to the right water molecules will flow both ways, but mostly will flow to the left water will flow to the left and glucose will flow to the right water will flow to the right and glucose will flow to the left Which best describes the way that the particles move?Because they are embedded within the membrane, ion channels are examples of ________. receptor proteins integral proteins peripheral proteins glycoproteinsQ14: Which of the following proteins requires ATP for ts functioningO active transporter proteinO passive transporter proteinO receptor proteinO adhesion proteinO recognition protein
- 1:58 l 5GE Done 11 of 23 3 of 12 During an investigation on membrane transport, a researcher exposed bacterial cells to different concentrations of two different solutes: A and B. The rate of transport of each solute into cells is represented in the graph. = Solute A = Solute B Solute Concentration Which of the following best explains the greater rate of transport for solute A than for solute B at higher solute concentrations? Solute A is being transported by simple diffusion, which does not rely on membrane proteins to control the rate of transport. A Solute A is being transported by active transport, which uses ATP and has higher rates of transport than passive transport. B Solute A is being transported by facilitated diffusion, which uses membrane proteins to increase the rate of transport. Submit !! Rate of Transport IIB) Rate of transport into the cll A or B 10 20 30 40 Time (min) The graph directly above shows the rate of substance transport over time when the cells that do not contain the compounds A, B, or C, are placed in 1 mM solutions of A, B, and C, respectively. Based upon these data which of the following is/are compatible modes of transport for substance A? (active transport, facilitated diffusion, simple diffusion) For substance B? For substance C?4 IIII I 5 IIIII 6 Which statement is accurate concerning simple diffusion and facilitated diffusion? In facilitated diffusion, molecules only move with the aid of a protein in the membrane. In simple diffusion, molecules move down the concentration gradient but in facilitated diffusion molecules move up the concentration gradient. Simple diffusion is passive but facilitated diffusion is an active process that uses energy. Simple diffusion requires molecules to move through special doorways in the cell membrane. étv A O Aa
- . Lysozyme is placed in a dialysis tube. The protein has a charge of +18 at pH 7.0. If the protein is dialyzed against 0.1L of 0.1M NaCl, predict the sign of the membrane potential using the Donnan Potential.Ch. 5 Practice- Transport Watch each video and answer the corresponding questions on the right. Facilitated. vs. Active Transport outside cell Na+ Na+ Na+ channel Na+ Na+ Na+ K+ inside cell Na+ K+ K+ Na+ K+ K+ Na+ K+ channel K+ K+ Na+ Na+ K+ Na+ K+ Na+ Na+ Na+ K+ K+ K+ Na+ Na+ K+ K+ K+ Na+ K+ channel Na+ Passive Transport K+ Na+ K+ Na+/K+ pump Na+ K+ K+ 2 3 4 Watch the movement of Na+ through the Na+ channel. The Na+ is moving the cell, from choose your answer... choose your answer... 00 Watch the movement of K+ through the K+ channel. The K+ is moving choose your answer... the cell, from choose your answer... concentration. Is any energy required in movement through the channels? Yes No concentration. Moving molecules or ions from low to high concentration uses choose your answer... transport. --A2 Which of the following statements is NOT correct about the phospholipid molecules in the plasma membrane? * O The polar heads face outward The nonpolar tails face inward. O The polar heads are hydrophobic. O The nonpolar tails are hydrophobic. The phospholipids form a bilayer. This is a required question