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A substance that lowers the activity of the brain is a depressant, such as alcohol, benzodiazepines, or barbiturates. These substances slow down the central nervous system, leading to decreased brain activity and a range of effects including relaxation, sedation, and impaired cognitive function.
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What is a substance that lowers the rate at which enzyme catalyzes a reaction but doesn't bind to the active site?
A noncompetitive inhibitor is a substance that can bind to the enzyme at a location other than the active site, altering the enzyme's shape and reducing its activity. This type of inhibition does not compete with the substrate for binding to the enzyme.
What is the chemical activity of substance?
Chemical activity refers to the ability of a substance to undergo a chemical reaction when in contact with other substances. It is determined by factors such as the reactivity of the substance's molecules and the conditions in which the reaction occurs (e.g. temperature, pressure, presence of catalysts).
What describes a chemical property of a substance?
A chemical property of a substance refers to its ability to undergo a chemical change or reaction to form new substances. This property is related to the substance's composition and arrangement of atoms. Examples of chemical properties include reactivity with other substances, flammability, and acidity or basicity.
What things must happen in order that a substance can be smelled?
For a human to smell a substance, The substance must be volatile, and molecules of it must be airborne and drift near the nose. The substance must come in contact with an olfactory nerve-ending in the nose. The olfactory nerve must react, by excitation, to the molecule, sending an electrical impulse to the brain. The brain must receive and process olfactory (smell) nerve signals.
An acid is a(n) .?
An acid is a substance that donates a proton (hydrogen ion) in a chemical reaction. This leads to the formation of hydronium ions in solution and lowers the pH of the solution. Acids typically have a sour taste and can react with bases to form salts.
What substance lowers the energy needed to start a chemical reaction?
A substance that lowers the energy needed to start a chemical reaction is a catalyst.
What brain imaging method requires the injection of a radioactive substance?
Single-photon emission computed tomography (SPECT) is a brain imaging method that requires the injection of a radioactive substance. This substance emits gamma rays that can be detected by a gamma camera to produce detailed images of brain activity.
What term describes a substance that lowers the energy needed to start a chemical reaction?
This substance is a catalyst.
How does epileptic drug treatment effect EGG?
Epilepsy is condition due to increased electrical activity in the brain. Most of the anti epileptic drugs act by increasing the substance called 'GABA' in the brain, which is a substance which acts by inhibiting the excess electrical activity in the brain. About the EEG (Electroencephalogram), it is the recording of the electrical activity in the brain. However you must note that the EEG is altered only during the episodes of seizures and it is normal in most of the cases between these episodes. So drug treatment will not effect the EEG taken in the normal state.
Can you regain brain activity after losing it?
Can you gain brain activity after losing it
What substance produced by the body lowers the surface tension of water?
Bile
What is a substance that lowers the rate at which enzyme catalyzes a reaction but doesn't bind to the active site?
A noncompetitive inhibitor is a substance that can bind to the enzyme at a location other than the active site, altering the enzyme's shape and reducing its activity. This type of inhibition does not compete with the substrate for binding to the enzyme.
What is the type of drug lowers the rate of muscular or nervous system activity?
narcotic
What drug lowers the rate of the muscular and nervous sysytem activity?
All anesthetics.
What is the type of drug that lowers the rate of muscular or nervous system activity?
narcotic
What word describes brain waves?
Brain activity
The drug that reduce the activity of the body?
A drug that lowers heart rate and respiration is a barbituate.
