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#leak channels

2 public questions tagged with this topic.

Action potential

Which ion channel type is always open under resting conditions?

Answer: D) Leak channels. For Action potential, once you lock onto the key mechanism or definition, Leak channels is the clear fit. If you restate the concept in your own words, excitable-cell physiology turns on membranes, ions, and signalling steps, and Leak channels captures the correct piece of that story. So Leak channels is the clean, accurate selection. If a similar stem appears later, start from the same core fact and you will land on the same kind of answer. In class notes, highlight this same phrase next to the related diagram so the wording and the picture reinforce each other.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Action potential

The primary ion responsible for maintaining resting membrane potential due to leak channels is:

Pick C: K+. Thinking about Action potential in a practical way — what the structure does, or what the process achieves — leads you here. Clinically and academically, the same logic shows up again and again: cause and effect line up with K+ — that is the mechanism or reason the stem is pointing to. Hence K+ is correct. Treat this as a building block for the rest of Action potential; neighbouring topics often reuse the same principle. Keep a one-line summary card for this idea and revisit it before the paper; short, repeated review beats long cramming sessions. If the wording feels dense, translate it into everyday language first, then map that plain sentence back onto K+.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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