Krebs cycle importance: Difference between revisions
New page: <h2>The importance of the Krebs Cycle in the metabolism</h2> <p>The Krebs cycle is the second of three stages of cellular respiration, in which glucose, fatty acids and certain amino aci... |
No edit summary |
||
| (6 intermediate revisions by 3 users not shown) | |||
| Line 1: | Line 1: | ||
<h2>The importance of the Krebs Cycle in the metabolism</h2> | <h2>The importance of the Krebs Cycle in the metabolism</h2> | ||
<p>The Krebs cycle is the second of three stages of cellular respiration, | <p>[[Citric Acid Cycle|The Krebs cycle]] is the second of three stages of cellular respiration, | ||
in which glucose, fatty acids and certain amino acids, the so-called <em>fuel molecules</em>, are oxidized | in which glucose, fatty acids and certain amino acids, the so-called <em>fuel molecules</em>, are oxidized | ||
(see Figure). The oxidation of these molecules is primarily used to transform the energy contained in these molecules into ATP. ATP provides for example energy for muscle contractions | (see Figure). The oxidation of these molecules is primarily used to transform the energy contained in these molecules into ATP. ATP provides for example energy for muscle contractions | ||
| Line 19: | Line 19: | ||
electrons were used to reduce O<sub>2</sub>. Finally, the electrons that are released in the Krebs Cycle and the transported to the respiratory chain were used there to produce ATP out of ADP and P<sub>i</sub>.</p> | electrons were used to reduce O<sub>2</sub>. Finally, the electrons that are released in the Krebs Cycle and the transported to the respiratory chain were used there to produce ATP out of ADP and P<sub>i</sub>.</p> | ||
[[Image:Relevance.jpg]] | |||
<p>Figure: Overview of the Krebs cycle</p> | |||
<p >Figure: Overview of the Krebs cycle</p> | |||
<p> In addition to the supply of energy from the fuel molecules, the citric acid cycle has other | <p> In addition to the supply of energy from the fuel molecules, the citric acid cycle has other | ||
| Line 32: | Line 30: | ||
and amino acids) "drive in" and "drive out " again at the different locations for the synthesis of | and amino acids) "drive in" and "drive out " again at the different locations for the synthesis of | ||
other substances.</p> | other substances.</p> | ||
*[[Major metabolic pathways converging on the citric acid cycle]] | |||
*[[Citric acid cycle intermediates serve as substrates for biosynthetic processes]] | |||
*[[Gluconeogenesis]] | |||
*[[Cori cycle]] | |||
*[[Glyoxylate cycle]] | |||