We use cookies to give you the best experience possible. By continuing we’ll assume you’re on board with our cookie policy

See Pricing

What's Your Topic?

Hire a Professional Writer Now

The input space is limited by 250 symbols

What's Your Deadline?

Choose 3 Hours or More.
Back
2/4 steps

How Many Pages?

Back
3/4 steps

Sign Up and See Pricing

"You must agree to out terms of services and privacy policy"
Back
Get Offer

Glycolysis Regulation

Hire a Professional Writer Now

The input space is limited by 250 symbols

Deadline:2 days left
"You must agree to out terms of services and privacy policy"
Write my paper

Glycolysis is the breakdown of glucose into a compound called pyruvate. A net of two ATPs are produced as the process uses two ATPs and produces four. Glycolysis consists of ten chemical reactions; each reaction is catalysed using a different enzyme. Oxygen is not required during glycolysis so it is considered anaerobic respiration. Glycolysis must be regulated so that energy is produce only when required. During glycolysis there are three enzymes that catalyse or inhibit the rate of reaction.

These are hexokinase, phosphofructokinase and pyruvate kinase.

Don't use plagiarized sources. Get Your Custom Essay on
Glycolysis Regulation
Just from $13,9/Page
Get custom paper

During the first reaction of glycolysis, glucose 6 phosphate is produced. High concentrations of this molecule signal that a cell no longer requires glucose for energy. Phosphofructokinase (PKF) is a key enzyme in the regulation of glycolysis. PKF is the enzyme that catalyses the reaction producing fructose 1, 6 phosphate. High concentrations of ATP inhibit PKF, thus regulating glycolysis. PFK is also inhibited by high concentrations of citrate, another marker of a high energy state of a cell.

When citrate levels are high, the cell can get enough energy from the citric acid cycle and does not need glycolysis to shovel more carbons into the citric acid cycle. Enzymes require very specific environmental conditions to function at at their optimum level e. g. pH and temperature. The breakdown of glucose (glycolysis) produces hydrogen ions. The presence of hydrogen ions creates an acidic environment. This acidic environment slows down enzyme activity and ultimately the breakdown of glucose, this slows down respiration.

Anaerobic glycolysis is the process by which the normal pathway of glycolysis is routed to produce lactate. It happens when energy is required in the absence of oxygen. It is vital for tissues with high energy requirements, like muscle cells. If there is not enough oxygen then NADH cannot release hydrogen ions and they build up in the cell. The normal pH of muscle cells is around 7 (neutral) if the build-up of hydrogen ions continues, the pH will reduce and muscle function will be impaired. This is what causes the burning sensation.

Cite this Glycolysis Regulation

Glycolysis Regulation. (2016, Sep 30). Retrieved from https://graduateway.com/glycolysis-regulation/

Show less
  • Use multiple resourses when assembling your essay
  • Get help form professional writers when not sure you can do it yourself
  • Use Plagiarism Checker to double check your essay
  • Do not copy and paste free to download essays
Get plagiarism free essay

Search for essay samples now

Haven't found the Essay You Want?

Get my paper now

For Only $13.90/page