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Coenzyme in Biological Definition

Coenzyme A

... coenzyme A ( CoA , CoASH , or HSCoA ) is adapted from ... such as acetyl as thioesters . A molecule of coenzyme A carrying an acetyl group is also referred to as ... E2, and E3). 24 pyruvate dehydrogenase has the coenzyme TPP incorporated into it, 24 dihydrolipoyl ...

Electron transfer chain

... I - NADH dehydrogenase , also called NADH coenzyme Q reductase. Complex II - Succinate - coenzyme Q reductase . Complex III - coenzyme Q - cytochrome c reductase . Complex IV - ...

Enzyme

... and causes milk to curdle Chymotrypsin : can digest proteins coenzyme Q - cytochrome c reductase : participates in the electron transfer chain ... in the electron transfer chain , transferring electrons from NADH to coenzyme Q Nitrogenase Ornithine decarboxylase : processes ornithine as ...

Purine

... important biomolecules, such as ATP , GTP , cyclic AMP , NADH , and coenzyme A . Metabolism Many organisms have metabolic pathways to ... , and aspartic acid , as well as formate ions transferred from the coenzyme tetrahydrofolate . Purines from food (or from tissue turnover) are ...

Citric acid cycle

... cytoplasm in prokaryotes . Fuel molecule catabolism (including glycolysis ) produces acetyl-CoA , a two- carbon acetyl group bound to coenzyme A . Acetyl-CoA is the main input to the citric acid cycle. Citrate is both the first and the last product of the cycle (Fig 1), and is regenerated ...

Coenzyme

... A coenzyme (a.k.a. a prosthetic group ) is an organic non- protein molecule that is a functional part of an enzyme . Coenzymes are generally defined as ...

Glycolysis

... Output Glycolysis converts one molecule of glucose into two molecules of pyruvate , along with "reducing equivalents" in the form of the coenzyme NADH . The global reaction of glycolysis is: Glucose + 2 NAD + + 2 ADP + 2 P i → 2 NADH + 2 pyruvate + 2 ATP + 2 H 2 O + 2 H + ...

Intermembrane space

... protons are pumped from the mitochondrial matrix into the intermembrane space during electron transport . The structures responsible for this are coenzyme q , complex I , complex II , and complex III . ...

Citric acid cycle

... cytoplasm in prokaryotes . Fuel molecule catabolism (including glycolysis ) produces acetyl-CoA , a two- carbon acetyl group bound to coenzyme A . Acetyl-CoA is the main input to the citric acid cycle. Citrate is both the first and the last product of the cycle (Fig 1), and is regenerated ...

Mitochondrion

... pyruvate molecule produced by glycolysis is actively transported across the inner mitochondrial membrane, and into the matrix where it is combined coenzyme A to form acetyl CoA . Once formed, acetyl CoA is fed into the Krebs cycle , also known as the tricarboxylic acid (TCA) cycle or citric acid ...

Mitochondrion

... pyruvate molecule produced by glycolysis is actively transported across the inner mitochondrial membrane, and into the matrix where it is combined coenzyme A to form acetyl CoA . Once formed, acetyl CoA is fed into the Krebs cycle , also known as the tricarboxylic acid (TCA) cycle or citric acid ...

Photolysis

... chemical energy which is used to split water into hydrogen and oxygen . The oxygen is released as a byproduct while the hydrogen binds with the coenzyme NADP to form NADPH . Photolysis is also a process in the atmosphere by which primary pollutants such as hydrocarbons and nitrogen dioxide ...

Vitamin

... and chemicals "vitamins", even though they are not, including Vitamin T and Vitamin U . Some authorities say that Ubiquinone , also called coenzyme Q 10 , is a vitamin. Ubiquinone is manufactured in small amounts by the body, like Vitamin D. Colloquially, the word vitamin is often used to ...
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