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Which type of membrane transport protein can perform either passive or active transport? Choose one: A....
QUESTION 20 Both passive transport and active transport A. require solutes to be transported down their...
QUESTION 20 Both passive transport and active transport A. require solutes to be transported down their concentration gradients. B. can concentrate solutes on one side of a membrane. C. require ATP-driven protein pumps. D. None of these answers are correct E. require proteins to facilitate transport.
NH HO HO Man Protein HO HO- Man or What type of membrane protein is shown...
NH HO HO Man Protein HO HO- Man or What type of membrane protein is shown below? Glycoprotein Man HO- HNo HO OR OH OM o0 wtracedular cell membrane eytesel Integral membrane protein GPI-anchored protein Peripheral membrane protein membrane proteins are bound primarily by electrostatic and hydrogen-bond interactions with the head groups of lipids. Peripheral membrane protein O Integral membrane protein GPI-anchored protein An antiporter and a symporter are examples of: passive diffusion Osecondary active transport O primary active transporters...
What is the difference between passive and active transport? Provide an example of a transport protein...
What is the difference between passive and active transport? Provide an example of a transport protein involved in the passive transport of K+, and one protein involved in the active transport of K+ across the plasma membrane and explain the direction of the flow of K+ in each case (from inside the cell to the outside, or from the outside of the cell to the inside). Also explain for each of your examples if the transport is uniport, symport, or...
QUESTION 20 Both passive transport and active transport A. require solutes to be transported down their...
QUESTION 20 Both passive transport and active transport A. require solutes to be transported down their concentration gradients. B. can concentrate solutes on one side of a membrane. C. require ATP-driven protein pumps. OD. None of these answers are correct E. require proteins to facilitate transport.
Which choice represents transport proteins in a neuron? a. Voltage-gated channels and passive transporters b. Passive...
Which choice represents transport proteins in a neuron? a. Voltage-gated channels and passive transporters b. Passive transporters and sodium-potassium cotransporters c. Sodium-potassium cotransporters, passive transporters, and voltage-gated channels d. Voltage-gated channels and passive transporters e. Sodium-potassium cotransporters and voltage-gated channels
Question 1 Which of the following are likely to diffuse through the plasma membrane? glucose K+...
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...
Which of the following statements on membrane transport is NOT correct: A. To transport of solutes...
Which of the following statements on membrane transport is NOT correct: A. To transport of solutes in the unfavorable direction across the membrane, pumps couple the process with either ATP hydrolysis, light absorption, electron transport, orother favorable transport process. B. Dissolved gases like O2, CO2, or NO simply diffuse across a membrane bilayer C. Hydrophilic molecules require assistance by membrane proteins to cross the membrane bilayer. D. The rate of transport facilitated by transporters is faster, but less selective for...
When glucose moves across a phospholipid bilayer by passive transport, which factor determines the direction of...
When glucose moves across a phospholipid bilayer by passive transport, which factor determines the direction of its transport? Choose one: A. the charge difference across the membrane B. whether the cell is metabolically active or not C. the amount of energy available to fuel the transport process D. the concentrations of glucose on either side of the membrane
Active transport requires and in order to function correctly. • A. nucleic acids, membrane proteins e...
Active transport requires and in order to function correctly. • A. nucleic acids, membrane proteins e B. energy, peripheral proteins C. energy, membrane pxoteins D. energy, nucleic acids Which of the following is not a Eukaryote? A. Oak tree B. Bacteria C. Human D. Mushroom A neuron has many short thin fibers called and a single long • A. Dendrites, Axon B. Receptors, Nerve fiber C. Axons, Dendrite D. Myelin sheaths, Cell body • Bacteria can be described as: I....
47. Active transport of solutes is mediated by and in plant and animal cells, respectively A....
47. Active transport of solutes is mediated by and in plant and animal cells, respectively A. H-pump and Ca-pump B. K-pump and Ca-pump C. Na-pump and H'-pump D. H-pump and Na"-pump E. C & D 48. One is NOT TRUE about integral membrane proteins. A. They can move inside the lipid bilayer B. Their hydrophobic amino acid side chains face the lipid bilayer C. Their hydrophilic amino acids form the hydrophilic pore D. They can easily by separated from the...
QUESTION 20 Both passive transport and active transport A. require solutes to be transported down their concentration gradients. B. can concentrate solutes on one side of a membrane. C. require ATP-driven protein pumps. D. None of these answers are correct E. require proteins to facilitate transport.
NH HO HO Man Protein HO HO- Man or What type of membrane protein is shown below? Glycoprotein Man HO- HNo HO OR OH OM o0 wtracedular cell membrane eytesel Integral membrane protein GPI-anchored protein Peripheral membrane protein membrane proteins are bound primarily by electrostatic and hydrogen-bond interactions with the head groups of lipids. Peripheral membrane protein O Integral membrane protein GPI-anchored protein An antiporter and a symporter are examples of: passive diffusion Osecondary active transport O primary active transporters...
QUESTION 20 Both passive transport and active transport A. require solutes to be transported down their concentration gradients. B. can concentrate solutes on one side of a membrane. C. require ATP-driven protein pumps. OD. None of these answers are correct E. require proteins to facilitate transport.
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...
When glucose moves across a phospholipid bilayer by passive transport, which factor determines the direction of its transport? Choose one: A. the charge difference across the membrane B. whether the cell is metabolically active or not C. the amount of energy available to fuel the transport process D. the concentrations of glucose on either side of the membrane
Active transport requires and in order to function correctly. • A. nucleic acids, membrane proteins e B. energy, peripheral proteins C. energy, membrane pxoteins D. energy, nucleic acids Which of the following is not a Eukaryote? A. Oak tree B. Bacteria C. Human D. Mushroom A neuron has many short thin fibers called and a single long • A. Dendrites, Axon B. Receptors, Nerve fiber C. Axons, Dendrite D. Myelin sheaths, Cell body • Bacteria can be described as: I....
47. Active transport of solutes is mediated by and in plant and animal cells, respectively A. H-pump and Ca-pump B. K-pump and Ca-pump C. Na-pump and H'-pump D. H-pump and Na"-pump E. C & D 48. One is NOT TRUE about integral membrane proteins. A. They can move inside the lipid bilayer B. Their hydrophobic amino acid side chains face the lipid bilayer C. Their hydrophilic amino acids form the hydrophilic pore D. They can easily by separated from the...
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