Question 1:
A) Refer to the transporter in Box "b" in the figure for this part of this question:
i. Is Na+ traveling up or down its gradient here?
ii. Is K+ traveling up or down its gradient here?
iii. Does this transporter require energy to run? If so, where does it come from?
iv. What type of membrane transport protein is this (channel, carrier, cotransporter, countertransporter, or pump)?
B) Refer to the transporter in Box "c" in the figure for this part of the question:
i. Is Na+ traveling up or down its gradient here?
ii. Is K+ traveling up or down its gradient here?
iii. Is Cl- traveling up or down its gradient here?
iv. Does this transporter require energy to run? If so, where does it come from?
v. What type of membrane transport protein is this (channel, carrier, cotransporter, countertransporter, or pump)?
C) Refer to the transporter in Box "d" in the figure for this part of the question:
i. Is K+ traveling up or down its gradient here?
ii. Does this transporter require energy to run? If so, where does it come from?
iii. What type of membrane transport protein is this (channel, carrier, cotransporter, countertransporter, or pump)?
D) Refer to the transporter in Box "e" in the figure for this part of the question:
i. Is Na+ traveling up or down its gradient here?
ii. Is HCO3 traveling up or down its gradient here?
iii. Does this transporter require energy to run? If so, where does it come from?
iv. What type of membrane transport protein is this (channel, carrier, cotransporter, countertransporter, or pump)?
E) Refer to the transporter in Box "f" in the figure for this part of the question:
i. Is Na+ traveling up or down its gradient here?
ii. Is H+ traveling up or down its gradient here?
iii. Does this transporter require energy to run? If so, where does it come from?
iv. What type of membrane transport protein is this (channel, carrier,cotransporter, countertransporter, or pump)?
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