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Facilitation
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How is competitive inhibition different from non competitive inhibition?
Competitive Inhibition is a substance that binds to the active site in place of the substance while Non-competitive Inhibition is a substance that binds to a location remote from the active site. (:
An enzyme citrate synthase in the Krebs cycle is inhibited by ATP What type of inhibition would this be?
Citrate synthase is inhibited by ATP. Obviously, the Krebs cycle produces ATP. This is the first step and one of the major regulatory steps in the pathway. If the cell has plenty of ATP, then it wouldn't need to keep making it, thus the pathway needs to be shut off. ATP inhibits the enzyme to shut off the pathway. This is an example of feedback inhibition (you can also call it negative inhibition or even product inhibition). Feedback inhibition is when the products of a certain biochemical pathway inhibit earlier enzymes, shutting down the pathway.
What is inhibition and why enzymes need to be inhibited?
- Inhibition of an enzyme is to inhibit the catalytic activity of the enzyme. - Because, by blocking or inhibiting an enzyme's activity can kill a pathogen or correct a metabolic imbalance. Example : Inhibition of HIV protease.
What are some differences and or similarities in the type of inhibition caused by heat acid or base and heavy metal ions on enzyme activity?
Heat, acid, and base can denature enzymes by disrupting their structure, leading to reversible inhibition. Heavy metal ions can bind to specific amino acid residues on enzyme active sites, causing irreversible inhibition. Both types of inhibition can decrease enzyme activity, although heavy metal ions typically have longer-lasting effects due to the irreversible nature of their inhibition.
Why does the Michaelis constant (Km) remain constant in noncompetitive inhibition?
In noncompetitive inhibition, the Michaelis constant (Km) remains constant because the inhibitor binds to a different site on the enzyme than the substrate, which does not affect the affinity of the enzyme for the substrate.
What is presynaptic inhibition?
Inhibition of a stimulatory neuron before it synapses, by inhibiting Ca2+ entry and blocking downstream processes, preventing neurotransmitter release, and therefore preventing the neuron generating and EPSP post-synaptically.
What is presynaptic inhibition and how does it regulate neurotransmitter release in the nervous system?
Presynaptic inhibition is a process in which the release of neurotransmitters from a neuron is reduced by another neuron. This regulation occurs when the inhibitory neuron releases a neurotransmitter that decreases the excitability of the presynaptic neuron, leading to a decrease in neurotransmitter release. This mechanism helps to fine-tune communication between neurons and maintain balance in the nervous system.
What is a opposite word for freedom?
One opposite word for freedom is captivity, which refers to being confined or restricted.
What is antonym of transmission?
Absorption is the opposite of emission, however the two generally work in tandem.
Is allosteric inhibition competitive or noncompetitive?
Allosteric inhibition is a type of noncompetitive inhibition.
when a dendrite pulls the neurotransmitter in the opposite directions its is called?
Reuptake. Reuptake is the process by which neurotransmitters are taken back up into the presynaptic neuron after being released into the synaptic cleft.
What is The process by which the neurotransmitter substance leaves the presynaptic terminal button is called?
Leaves the presynaptic neuron, activates ion channel
What is an example of a presynaptic cell?
An example of a presynaptic cell is a neuron that releases neurotransmitters into the synaptic cleft to communicate with the postsynaptic cell.
What is the difference between presynaptic and postsynaptic neurons?
Presynaptic neurons release the neurotransmitter in response to an action potential. Postsynaptic neurons receive the neurotransmitter (and can however become presynaptic to the next nerve cell, if the neurotransmitter has stimulated the cell enough).
Are neurotransmitter expelled from the presynaptic cells?
Yes, neurotransmitters are released from the presynaptic cells into the synaptic cleft where they can bind to receptors on the postsynaptic cell. This release occurs in response to an action potential traveling down the axon of the presynaptic neuron.
What is the sherrington's lawreciprocal inhibition?
Sherrington's law of reciprocal inhibition states that when a muscle contracts, the muscle on the opposite side of the joint relaxes. This helps to coordinate movements and maintain balance between agonist and antagonist muscles. It ensures smooth and efficient functioning of the neuromuscular system during movements.
How is competitive inhibition different from competitive inhibition?
Competitive Inhibition is a substance that binds to the active site in place of the substance while Non-competitive Inhibition is a substance that binds to a location remote from the active site. (:
