Select all that are true regarding a resting muscle fiber.

Question

Select all that are true regarding a resting muscle fiber. The charge difference across the sarcolemma is zero

There is more sodium outside the cell as compared to the sarcoplasm

Chemically-gated ion channels are open

Voltage-gated ion channels are closed

Accepted Answer

Answer:There is more sodium outside the cell as compared to the sarcoplasm.; Voltage-gated ion channels are closed.Explanation:The Na+/K+ ATPase pump extrudes 3 Na+ ions to the extracellular and 1 K+ ion is pumped inside the cell. This leaves the interior of the cell negative.To maintain the negative charge Voltage-gated potassium channels close the voltage-gated calcium channels....

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Select all that are true regarding a resting muscle fiber.

Select all that are true regarding a resting muscle fiber. The charge difference across the sarcolemma is zero

There is more sodium outside the cell as compared to the sarcoplasm

Chemically-gated ion channels are open

Voltage-gated ion channels are closed

QuizWhiz AI

Solved:

Select all that are true regarding a resting muscle fiber.

Select all that are true regarding a resting muscle fiber. The charge difference across the sarcolemma is zero There is more sodium outside the cell as compared to the sarcoplasm Chemically-gated ion channels are open Voltage-gated ion channels are closed

Select all that are true regarding a resting muscle fiber. The charge difference across the sarcolemma is zero

There is more sodium outside the cell as compared to the sarcoplasm

Chemically-gated ion channels are open

Voltage-gated ion channels are closed