Question

At home/In Class Exercise: Transporters 1. The sodium-potassium pump functions to pump A) sodium ions out of the cell and potassium ions into the cell. B) sodium ions into the cell and potassium ions out of the cell. C) sodium and potassium ions into the cell. D) sodium and potassium ions out of the cell. E) sodium and potassium ions in both directions across the cell membrane. 2. What is the source of energy used to power a primary active transporter (pump)? A) breakdown of ATP B) formation of ATP C) transport of ATP by the pump D) breakdown of GTP E) transport of GTP by the pump 3. During one cycle, the sodium-potassium pump binds and moves; A) 1 Na+ and 2 K+. B) 2 Na+ and 2 K+. C) 2 Na+ and 3 K+. D) 3 Na+ and 2 K+. E) 3 Na+ and 3 K+. 4. The glucose carrier shown in the image to the right is a trans-membrane protein. A) True B) False 5. The binding and release of glucose (blue) in a carrier protein, as well as the binding and release of sodium in the Na/K pump is due to conformational changes in the protein. A) True B) False

          At home/In Class Exercise: Transporters
1. The sodium-potassium pump functions to pump
A) sodium ions out of the cell and potassium ions into the cell.
B) sodium ions into the cell and potassium ions out of the cell.
C) sodium and potassium ions into the cell.
D) sodium and potassium ions out of the cell.
E) sodium and potassium ions in both directions across the cell membrane.
2. What is the source of energy used to power a primary active transporter (pump)?
A) breakdown of ATP
B) formation of ATP
C) transport of ATP by the pump
D) breakdown of GTP
E) transport of GTP by the pump
3. During one cycle, the sodium-potassium pump binds and moves;
A) 1 Na+ and 2 K+.
B) 2 Na+ and 2 K+.
C) 2 Na+ and 3 K+.
D) 3 Na+ and 2 K+.
E) 3 Na+ and 3 K+.
4. The glucose carrier shown in the image to the right is a trans-membrane protein.
A) True
B) False
5. The binding and release of glucose (blue) in a carrier protein, as well as the binding and release of sodium in the Na/K pump is due to conformational changes in the protein.
A) True
B) False

At home/In Class Exercise: Transporters
1. The sodium-potassium pump functions to pump
A) sodium ions out of the cell and potassium ions into the cell.
B) sodium ions into the cell and potassium ions out of the cell.
C) sodium and potassium ions into the cell.
D) sodium and potassium ions out of the cell.
E) sodium and potassium ions in both directions across the cell membrane.
2. What is the source of energy used to power a primary active transporter (pump)?
A) breakdown of ATP
B) formation of ATP
C) transport of ATP by the pump
D) breakdown of GTP
E) transport of GTP by the pump
3. During one cycle, the sodium-potassium pump binds and moves;
A) 1 Na+ and 2 K+.
B) 2 Na+ and 2 K+.
C) 2 Na+ and 3 K+.
D) 3 Na+ and 2 K+.
E) 3 Na+ and 3 K+.
4. The glucose carrier shown in the image to the right is a trans-membrane protein.
A) True
B) False
5. The binding and release of glucose (blue) in a carrier protein, as well as the binding and release of sodium in the Na/K pump is due to conformational changes in the protein.
A) True
B) False

Added by Raymari Ysabelle G.

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