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What enzyme is inhibited by a nerve agent?
Acetylcholinesterase is the enzyme inhibited by nerve agents. This enzyme is responsible for breaking down the neurotransmitter acetylcholine, and when inhibited, leads to an accumulation of acetylcholine at nerve synapses causing overstimulation of muscles and nerves.
What is enzyme synthesis?
Enzyme synthesis is the process by which cells make enzymes through transcription and translation of the enzyme's gene into a functional protein. This involves the production of mRNA from DNA in the nucleus, and the subsequent translation of this mRNA into the enzyme in the cytoplasm. Enzymes are essential for catalyzing biochemical reactions in cells.
What is the significance of the enzyme curve in understanding the catalytic activity of enzymes?
The enzyme curve helps us understand how enzymes work by showing the relationship between enzyme concentration and reaction rate. It helps us determine the optimal conditions for enzyme activity and how enzymes can be inhibited or enhanced.
What are inducible and non inducible enzymes?
Inducible: usually off for protein synthesis but can be turned on Non inducible, or REPRESSIBLE : usually on for protein synthesis but can be turned off Inducible: usually off for protein synthesis but can be turned on Non inducible, or REPRESSIBLE : usually on for protein synthesis but can be turned off
What enzyme catalyzes the attachment of an amino acid to tRNA?
Aminoacyl-tRNA synthetase is the enzyme responsible for catalyzing the attachment of an amino acid to tRNA. This process is vital for protein synthesis, ensuring that the correct amino acid is paired with its corresponding tRNA molecule.
How is the synthesis of a constitutive enzyme stopped?
The synthesis of a constitutive enzyme is typically regulated at the transcriptional level. When the cell has sufficient levels of the enzyme, transcription is inhibited by regulatory proteins or feedback mechanisms. This helps maintain a balance between enzyme production and cellular needs.
What enzyme is inhibited by a nerve agent?
Acetylcholinesterase is the enzyme inhibited by nerve agents. This enzyme is responsible for breaking down the neurotransmitter acetylcholine, and when inhibited, leads to an accumulation of acetylcholine at nerve synapses causing overstimulation of muscles and nerves.
Which hormone is inhibited during treatment for BPH?
Alpha-5-reductase is the enzyme that is inhibited in the treatment of BPH. This enzyme is responsible for changing testosterone into dihydrotestosterone (which is stronger).
If an enzyme has been inhibited noncompetitively?
If an enzyme has been inhibited noncompetitively, the inhibitor binds to the enzyme at a site other than the active site, altering the enzyme's shape and reducing its activity. This type of inhibition is not overcome by increasing the substrate concentration.
If a toxic drug inhibited mRNA synthesis what would be most directly affected?
protein synthesis
What is a sentence for inhibited?
Inhibiting an enzyme responsible for constructing the cell wall.
What happens if an inhibitor is irreversible?
Irreversible inhibition refers to the inactivation of an enzyme by a tightly, typically covalent, bound inhibitor. The kinetics for irreversible inhibition do not follow competitive or non-competitive kinetics.
What is the co enzyme required for fatty acid synthesis?
acetyl CoA or Acetyl Co-enzyme A is required for fatty acid synthesis
When cellular product levels get too high the responsible enzyme is inhibited This is an example of?
This is an example of negative feedback regulation. In this process, an increase in the levels of a cellular product leads to the inhibition of the enzyme responsible for its production, thereby reducing the product's synthesis. This mechanism helps maintain homeostasis within the cell by preventing the overaccumulation of substances.
What is enzyme synthesis?
Enzyme synthesis is the process by which cells make enzymes through transcription and translation of the enzyme's gene into a functional protein. This involves the production of mRNA from DNA in the nucleus, and the subsequent translation of this mRNA into the enzyme in the cytoplasm. Enzymes are essential for catalyzing biochemical reactions in cells.
What is the mechanism of action of sulfonamides?
Sulfonamides inhibit dihydropteroate synthetase so that the bacteria's nucleotide synthesis is inhibited.
What enzyme is responsible for RNA synthesis?
RNA polymerase
