Ion Channel – Biological Membranes
About the Lecture
The lecture Ion Channel – Biological Membranes by Kevin Ahern, PhD is from the course Biochemistry: Basics.
Included Quiz Questions
Which of the following is true of ion channel proteins?
- They rely on diffusion.
- They require ATP or GTP.
- Individual ion channels allow a wide range of ions to pass through them.
- They are found in the cytoplasm of cells.
- Most ion channels open spontaneously.
Which of the following is NOT true about ion channel proteins?
- They are electroneutral.
- They are sometimes gated.
- Blockers of their action can have both medicinal and neurotoxic effects.
- Opening/closing changes the voltage across a membrane.
- Ion channels are specific for the molecules they allow to flow through.
Which of the following molecules is NOT linked to the regulation of opening and closing of the ligand-gated ion channels (LGICs)?
- Lidocaine
- Acetylcholine
- Glutamate
- γ-Aminobutyric acid (GABA)
- Cyclic nucleotides
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Author of lecture Ion Channel – Biological Membranes
Kevin Ahern, PhD
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