Enzymatic reactions that use ATP as energy source

Thread starter semo321
Start date Nov 11, 2008
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In summary, ATP is a molecule that serves as the primary energy source for cells. It is broken down into ADP and phosphate in enzymatic reactions, releasing energy that is used to power cellular processes. Enzymes use ATP as an energy source by binding to it and breaking it down, helping to facilitate chemical reactions in cells. ATP is used in a wide variety of enzymatic reactions, including metabolic processes, biosynthetic reactions, muscle contractions, and nerve signaling. The body produces ATP through cellular respiration and photosynthesis, and enzymatic reactions can occur without ATP but at a slower rate. Other sources of energy can also be used in enzymatic reactions, such as GTP or energy from light.

Nov 11, 2008

semo321

can anyone tell me what are the enzymatic reactions that use ATP an energy source ?

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Nov 12, 2008

Chaos' lil bro Order

every

Nov 12, 2008

Andy Resnick

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Well, not *every*, but certainly very many.

Nov 13, 2008

Desh627

Yes, a great many of them require ATP.

Take glycolysis for example. Even though it produces 4 ATP, it requires 2 ATP to break down glucose into pyruvates, iirc.

FAQ: Enzymatic reactions that use ATP as energy source

What is ATP and how is it used in enzymatic reactions?

ATP (adenosine triphosphate) is a molecule that serves as the primary energy source for cells. In enzymatic reactions, ATP is broken down into ADP (adenosine diphosphate) and phosphate, releasing energy that is used to power cellular processes.

How do enzymes use ATP as an energy source?

Enzymes are proteins that act as catalysts in biochemical reactions. They bind to specific substrates and help facilitate the chemical reactions needed for cells to carry out their functions. In enzymatic reactions that use ATP as an energy source, the enzyme binds to ATP and breaks it down, releasing energy that is used to drive the reaction forward.

What types of enzymatic reactions use ATP as an energy source?

ATP is used as an energy source in a wide variety of enzymatic reactions, including metabolic processes such as cellular respiration and photosynthesis, as well as biosynthetic reactions that produce important molecules like proteins and lipids. ATP is also used in muscle contractions, nerve signaling, and many other cellular processes.

How does the body produce ATP for enzymatic reactions?

The body produces ATP through a process called cellular respiration. This involves breaking down glucose, fats, and other molecules through a series of chemical reactions, ultimately resulting in the production of ATP. In addition, some cells, such as those in plants, can produce ATP through photosynthesis.

Can enzymatic reactions occur without ATP as an energy source?

Yes, enzymatic reactions can occur without ATP as an energy source, but they may proceed at a much slower rate. ATP provides a readily available source of energy that can be used by enzymes to speed up reactions and make them more efficient. However, there are other sources of energy, such as other molecules like GTP or energy from light, that can also be used in enzymatic reactions.