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Does a protein catalyst that speeds up chemical reactions in organisms called an enzyme?

Yes, a protein catalyst that speeds up chemical reactions in organisms is called an enzyme. Enzymes are involved in almost all cellular processes and play crucial roles in regulating biological reactions.


What is least likely to be a mechanism for enzyme regulation?

Change in enzyme concentration through gene expression.


What major enzyme involved on replication?

DNA Helicase is the major enzyme involved in the replication of DNA. The reason why it is so important is that it unwinds the DNA which creates two separate strands.


What are the key principles and processes involved in steady state biochemistry?

Steady state biochemistry involves maintaining a balance between the rates of production and consumption of molecules within a biological system. Key principles include the conservation of mass, the law of mass action, and the concept of steady state. Processes involved include enzyme-catalyzed reactions, metabolic pathways, and feedback regulation to ensure stability and efficiency in cellular functions.


What happens to an enzyme after a biochemical reaction, and how does it affect the enzyme's function?

After a biochemical reaction, an enzyme typically remains unchanged and can be reused. However, the enzyme may undergo a slight change in shape, which can affect its ability to bind to substrates and catalyze reactions. This alteration in shape may impact the enzyme's efficiency and effectiveness in future reactions.

Related Questions

What are Enzyme-catalyzed reaction?

reactions in which enzymes are involved as catalysts.


Are enzymes permanently change in the chemical reactions they are involved in?

No. That is one of the definitions of an enzyme. It is NOT altered in the reaction.


In what way would a defective enzyme affect an organism if it was involved in metabolic reactions that produce ATP?

Non-working enzyme → no ATP → no energy → death.


What is required in most of the Chemical reactions involved in metabolism?

A protein enzyme so that it will occur at body temperature.


Is oxygen an enzyme?

No, oxygen is not an enzyme. Oxygen is a gas that is essential for life as it is involved in the process of respiration, but it does not function as an enzyme. Enzymes are proteins that act as catalysts for chemical reactions in living organisms.


How is enzyme activity regulated in biological systems?

Enzyme activity in biological systems is regulated through various mechanisms such as allosteric regulation, competitive and non-competitive inhibition, post-translational modifications, and gene regulation. These processes help control the rate of enzyme-catalyzed reactions and ensure that they occur at the right time and in the right amount within the cell.


Is temperature important to enzyme reactions?

Yes because if the heat is to hot it can damage the enzymes


Does the enzyme that undergo negative feedback have any other function than to be regulated by its product?

Yes, enzymes that undergo negative feedback regulation typically have other important functions in the cell or organism. These enzymes are often involved in key metabolic pathways and play critical roles in maintaining cellular homeostasis and carrying out essential biological processes. The negative feedback regulation helps control the rate of these enzymatic reactions to ensure optimal function.


Is uncompetitive inhibition an example of allosteric regulation in enzyme activity?

Yes, uncompetitive inhibition is an example of allosteric regulation in enzyme activity.


How do allosteric regulation and competitive inhibition differ in their mechanisms of enzyme regulation?

Allosteric regulation involves a molecule binding to a site on the enzyme that is not the active site, causing a change in the enzyme's shape and activity. Competitive inhibition involves a molecule binding to the active site of the enzyme, blocking substrate binding and enzyme activity.


What are the principles involved in inversion of sucrose?

The principles that are involved in inversion of sucrose are the basic mechanisms for enzyme catalyzed reactions. These mechanisms were first proposed by Michaelis and Menten in 1913.


Does a protein catalyst that speeds up chemical reactions in organisms called an enzyme?

Yes, a protein catalyst that speeds up chemical reactions in organisms is called an enzyme. Enzymes are involved in almost all cellular processes and play crucial roles in regulating biological reactions.