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glycolysis
glycolysis Biochem. (glaɪˈkɒlɪsɪs) [f. glyco- + lysis.] An important metabolic process, the initial pathway in cell respiration, in which sugar, sugar phosphates, or precursors of these are broken down by enzymic reactions releasing energy and yielding esp. pyruvic acid or lactic acid in animal tiss...
Oxford English Dictionary
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Anaerobic glycolysis
Anaerobic glycolysis is the transformation of glucose to lactate when limited amounts of oxygen (O2) are available. The anaerobic glycolysis (lactic acid) system is dominant from about 10–30 seconds during a maximal effort.
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Overview of glycolysis (video) | Glycolysis | Khan Academy
Yes, Glycolysis has already made a 2 net gain of ATP, and in aerobic environment (oxygen is around) theses ATP would then move to the Krebs cycle, and the Electron Transport Chain to supply 36 ATP, however then the body is starved oxygen (anaerobic respiration) the 2 ATP produced on Glycolysis is not enough energy to supply the body with the need energy, so it enters a sage of Fermentation ...
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Biochemistry, Glycolysis - StatPearls - NCBI Bookshelf
Aug 8, 2023Glycolysis is a metabolic pathway and an anaerobic energy source that has evolved in nearly all types of organisms. Another name for the process is the Embden-Meyerhof pathway, in honor of the major contributors towards its discovery and understanding.[1] Although it doesn't require oxygen, hence its purpose in anaerobic respiration, it is also the first step in cellular respiration.
www.ncbi.nlm.nih.gov
Positive feedback regulation between glycolysis and ...
by F Li · 2024 — doi: 10.1186/s12943-024-02008-9. Authors. Fei Li , Wenzhe Si ...
pubmed.ncbi.nlm.nih.gov
ATP utilized in Glycolysis vs. Gluconeogenesis In glycolysis, the conversion of glucose to pyruvate results in a net gain of 2 ATP molecules. In gluconeogenesis however, the conversion of pyruvate back to glucose requ...
This energy is not lost, it is dissipated as heat. And this must happen because of thermodynamics -- the direction of the reaction is simply determined by the difference of energy between substrates and products, and it must be positive for the reaction to happen spontaneously.
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Glycolysis | Cellular respiration | Biology (article) | Khan Academy
Glycolysis takes place in the cytosol of a cell, and it can be broken down into two main phases: the energy-requiring phase, above the dotted line in the image below, and the energy-releasing phase, below the dotted line. Energy-requiring phase. In this phase, the starting molecule of glucose gets rearranged, and two phosphate groups are ...
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TP53-inducible glycolysis and apoptosis regulator
is called the Warburg Effect (or aerobic glycolysis). References
Further reading
Apoptosis
Glycolysis
Human proteins
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en.wikipedia.org
What's the point of glycolysis in fermentation? In order to initiate glycolysis, 2 ATP are necessary. In the glycolytic process, you generate an additional 4 ATP, which results in a net gain of 2 ATP. If you don't un...
Suppose the cellular pool has $x$ATP before starting glycolysis.
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Where do the four ADPs come from in the second stage of glycolysis? In the first stage of glycolysis, the two molecules of ATP are broken down into 2 ADPs + 2 Pi through hydrolysis, then in the second stage of glycoly...
This ADP can then be re-phosphorylated by glycolysis to form ATP again. If glycolysis did not produce a net yield of ATP it would be pointless, so it really _should_ be unbalanced in this sense.
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Where is the H+ ion in this step of glycolysis coming from?  In this step of glycolysis, I'm not seeing where the $...
Although texts such as Berg _et al._ tend to refer to inorganic phosphate, $\ce{P_i}$, as orthophosphate ($\ce{PO4^{3-}}$), the term inorganic phosphate is used because in aqueous solution at pH 7.6 several phosphate species exist, the predominant one being $\ce{HPO4^{2-}}$. If this is regarded as $...
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Glycolysis Flashcards | Quizlet
Study with Quizlet and memorize flashcards containing terms like Glycolysis, fermentation, α-amylase and more.
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Why is the Krebs cycle considered a part of aerobic metabolism if molecular oxygen is not involved in any of the reactions in the cycle Why is the Krebs cycle considered a part of aerobic metabolism if molecular oxyge...
Oxygen is actually not needed in the Krebs cycle - it is needed in the electron transport chain that is downstream of the Krebs cycle to regenerate NAD+ from NADH. NAD+ is a co-enzyme and acts as an electron carrier in oxidizing reactions at various positions in the Krebs cycle. However, note that w...
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Can Escherichia coli survive on glucose and water alone? I am novice to biochemistry and biology in general. I am reading Lehninger Principles of Biochemistry, and I found the following sentence at the beginning of th...
The minimum requirement for _E. coli_ and other bacteria to grow and survive is called **minimal medium**. It's even defined at Merriam-Webster: > a medium that contains only inorganic salts, a simple carbon source (as carbon dioxide or glucose), and water Water and glucose are pretty easy, but the ...
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How does reversibility of lactic acid fermentation work? For the production of lactic acid we need pyruvate from glycolysis. This process is known as lactic acid fermentation. One of the features of this process is re...
The enzyme catalysing this reaction in mammals is lactate dehydrogenase of which there are two major isoforms: LDHA and LDHB. The general reaction scheme can be shown as: ![Image adapted from one by Jazzlw source:wikimedia commons]( In muscles LDHA reduces pyruvate to lactate consuming one NADH. Thi...
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