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Cellular Ion Gradients and Transport Quiz

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Cellular Ion Gradients and Transport Quiz

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Questions and Answers

What is the main ion flow direction for potassium?

Alternates between in and out

Out of the cell (correct)

Into the cell

No net movement

What is the main ion flow direction for sodium?

Out of the cell

Into the cell (correct)

Alternates between in and out

No net movement

What is the net charge inside the cell primarily due to?

ATPASE and large impermeant anions (correct)

Calcium flow

Sodium-potassium pump

Chloride influx

What is the main ion flow direction for calcium?

Into the cell (C) Signup and view all the answers

Under most conditions, which direction will chloride flow?

Into the cell (D) Signup and view all the answers

What is the ratio of sodium pumped out to potassium pumped in by the sodium-potassium ATPase?

3:2 (A) Signup and view all the answers