The sodium-calcium exchanger is a membrane protein that transports calcium to the periplasm (outside the cell),...
- The sodium-calcium exchanger is a membrane protein that
transports calcium to the periplasm (outside the cell), maintaining
a low cellular calcium concentration. This protein is powered by
sodium moving into the cell, down its concentration gradient. The
sodium-calcium channel is an example of what type of protein?
- Uniporter
- Symporter
- Antiporter
- P-type ATPase
- None of the above
Homework Answers
Sodium calcium channel iis an example of ANTIPORTER. As this channel works on the basis of electrochemical gradient transporting sodium and calcium in opposite direction at the same time.
- Uniporter transports only single type of substance.
- Symporter transports multiple substances in one direction.
- Antiporter transports 2 types of substances in opposite direction simultaneously.
- P type ATPase - uses ATP molecule to transport substances in and out.
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The sodium-calcium exchanger is a membrane protein that
transports calcium to the periplasm (outside the cell),...
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1.
2.
3.
Select all that apply. The sodium-potassium ion pump: hydrolyzes ATP, utilizing the free phosphate ion to temporarily bind to the transport protein. opens a channel through the membrane by phosphorylating one subunit of the transport protein. D is the only known ion pump. D is mediated by one enzyme that both hydrolyzes ATP and transports the ions. can be run in reverse, phosphorylating ADP to ATP Which of the following describes secondary active transport? O The antiport...
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