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The synthesis of an inducible enzyme requires the presence of specific substrates or signals that trigger gene expression. This process typically involves the binding of an inducer molecule to a regulatory protein, which then activates the transcription of the gene encoding the enzyme. Additionally, cellular mechanisms such as transcription factors and RNA polymerase play crucial roles in facilitating the transcription and subsequent translation of the enzyme. Overall, the process ensures that the enzyme is produced only when needed, allowing for efficient metabolic regulation.
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Enzymes that are produced only when substrate is present are termed?
induced enzyme
What causes transcription of an inducible enzyme?
Transcription of an inducible enzyme is triggered by the presence of specific substrates or signals that activate transcription factors. These factors bind to promoter regions of the gene encoding the enzyme, facilitating the recruitment of RNA polymerase. This process often involves the removal of repressive elements or the binding of activators that enhance gene expression in response to environmental changes. As a result, the enzyme is produced only when needed, allowing for efficient metabolic regulation.
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 does Phosphoglycerate kinase do?
Phosphorylase is an enzyme which joins with Glucose-1-phosphate together to make larger starch molecules. it is an example of synthesis (a joing together enzyme)
What enzyme is needed in order for transcription to take place?
RNA polymerase is the enzyme needed for transcription to take place. It catalyzes the synthesis of an RNA molecule from a DNA template.
Synthesis of an inducible enzyme requires?
Substrate bound to a repressor Chris G.
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
Enzymes that are produced only when substrate is present are termed?
induced enzyme
What causes transcription of an inducible enzyme?
Transcription of an inducible enzyme is triggered by the presence of specific substrates or signals that activate transcription factors. These factors bind to promoter regions of the gene encoding the enzyme, facilitating the recruitment of RNA polymerase. This process often involves the removal of repressive elements or the binding of activators that enhance gene expression in response to environmental changes. As a result, the enzyme is produced only when needed, allowing for efficient metabolic regulation.
What is the co enzyme required for fatty acid synthesis?
acetyl CoA or Acetyl Co-enzyme A is required for fatty acid synthesis
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 enzyme is responsible for RNA synthesis?
RNA polymerase
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.
Explain the advantage in having an inducible enzyme system that is regulated by the presence of a substrate?
An inducible enzyme system allows the cell to produce enzymes only when needed in response to the presence of a specific substrate. This system is energy-efficient as it prevents the unnecessary production of enzymes when the substrate is not present. It enables the cell to quickly adapt to changes in its environment and efficiently utilize available resources.
Synthesis of a repressible enzyme is inhibited by?
The corepressor-repressor binding to the operator stops the repressible enzyme synthesis. The rate of production of repressible enzyme can be stopped or inhibited if a substance is in high concentration.
Enzyme synthesis in a living cell occurs at which cytoplasmic organelle?
Ribosomes
What is the enzyme that controls the synthesis of new strands of DNA called?
DNA polymerase
