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Which ion channels open in response to a change in membrane potential?
voltage-gated ion channels
Ion channels that can be opened by physiological stimuli are said to be?
ligand-gated or voltage-gated ion channels.
Can any ion pass through the ion channels?
yes it can
What has the author Andrea Becchetti written?
Andrea Becchetti has written: 'Integrins and ion channels' -- subject(s): Integrins, Cellular signal transduction, Ion channels, Signal Transduction, Physiology, Ion Channels, Metabolism
How is facilitated diffusion similar to diffusion ion channels?
Facilitated diffusion and diffusion ion channels both involve the movement of substances down a concentration gradient without requiring energy input. However, facilitated diffusion involves the assistance of carrier proteins to transport specific molecules, while diffusion ion channels are specialized proteins that form pores in cell membranes for specific ions to pass through.
What are the key differences between ligand-gated ion channels and voltage-gated ion channels in terms of their mechanisms of activation and regulation?
Ligand-gated ion channels are activated by binding of specific molecules (ligands) to the channel, while voltage-gated ion channels are activated by changes in the electrical potential across the cell membrane. Ligand-gated channels are regulated by the presence of ligands, while voltage-gated channels are regulated by changes in membrane potential.
What source of energy is used for mobile phones?
They use re-chargeable Li-ion batteries.
Are ion channels carbohydrates?
Ion channels are not carbohydrates but are pore-forming membrane proteins. One of their functions is to include establishing a resting membrane potential.
When the nervous system signals a muscle to contract the ion channels open?
sodium ion
What is a stimulus gated channel?
There are voltage-gated ion channels and ligand-gated ion channels, and since both are stimuli the term stimulus-gated is a redundancy.
What is it that ion channels may be always or have?
They may be always open or they may have close gated channels
How do voltage-gated ion channels differ from ligand-gated ion channels in terms of their mechanisms of activation and regulation?
Voltage-gated ion channels are activated by changes in membrane potential, while ligand-gated ion channels are activated by binding of specific molecules (ligands). Voltage-gated channels open in response to changes in electrical charge across the membrane, whereas ligand-gated channels open when a specific ligand binds to the channel. Additionally, voltage-gated channels are regulated by membrane potential, while ligand-gated channels are regulated by the presence or absence of specific ligands.
