| 单词 | acetyl group |
| 例句 | Acetyl CoA can be used in a variety of ways by the cell, but its major function is to deliver the acetyl group derived from pyruvate to the next pathway in glucose catabolism. Concepts of Biology 2013-04-25T00:00:00Z Histone protein charge becomes more positive when acetyl groups are added. Biology for AP Courses 2022-06-09T00:00:00Z ACSS2 does not modify the histones directly, but rather generates acetyl groups that are then coupled to histones by a separate class of enzymes known as acetyltransferases. EpiVario: mixing psychotherapy and small-molecule drugs 2020-06-29T04:00:00Z These include processes that add or remove either methyl groups on DNA or acetyl groups on DNA-binding proteins called histones. Tweaking the DNA of myeloid cells curbs cancer spread 2020-02-25T05:00:00Z Several years ago, Oberdoerffer followed a hunch that cells might use another simple chemical unit, an acetyl group, on mRNA. Hidden layer of gene control influences everything from cancer to memory 2019-07-01T04:00:00Z Two carbon atoms come into the citric acid cycle from each acetyl group. Concepts of Biology 2013-04-25T00:00:00Z New drugs are being developed that decrease DNA methylation and prevent the removal of acetyl groups from histone proteins. Biology for AP Courses 2022-06-09T00:00:00Z Dr Toner has overcome that, though, by decorating it with molecular titbits called acetyl groups. Wait not in vain 2016-02-04T05:00:00Z An earlier study by Berger’s group indicated that variations in the number of a chemical entity called an acetyl group on proteins called histones, which serve as the scaffolding for DNA, might be important. Bipolar drug turns foraging ants into scouts 2015-12-31T05:00:00Z Some inhibit enzymes that either add or remove acetyl groups from histones, and can treat a range of conditions from epilepsy to cancer. Epigenetics: The genome unwrapped : Nature : Nature Publishing Group 2015-12-01T05:00:00Z They energize the entry of the acetyl group into the citric acid cycle. Concepts of Biology 2013-04-25T00:00:00Z When unmodified, the histone proteins have a large positive charge; by adding chemical modifications like acetyl groups, the charge becomes less positive. Biology for AP Courses 2022-06-09T00:00:00Z The team's result was based on an assay that used a peptide bearing a tag that would fluoresce when the acetyl group was removed. Red Wine's Link to Health Gains Support 2013-03-08T22:15:00.543Z So Simola and his colleagues treated different sets of minors and majors with chemicals that affected the addition or removal of acetyl groups from histones. Bipolar drug turns foraging ants into scouts 2015-12-31T05:00:00Z This switches genes on and off by plastering either their DNA or the proteins which support that DNA in chromosomes with clusters of atoms called methyl and acetyl groups. Cancer and epigenetics: Cancer?s epicentre 2012-04-03T16:18:14Z Two carbon dioxide molecules are released on each turn of the cycle; however, these do not contain the same carbon atoms contributed by the acetyl group on that turn of the pathway. Concepts of Biology 2013-04-25T00:00:00Z Then, the first step of the cycle begins: This is a condensation step, combining the two-carbon acetyl group with a four- carbon oxaloacetate molecule to form a six-carbon molecule of citrate. Biology for AP Courses 2022-06-09T00:00:00Z Assuming that the difference of 13 p.ct. is due to loss of water by internal condensation, it appears that for each acetyl group entering, 2 mol. Researches on Cellulose 1895-1900 Another inhibits an enzyme that adds acetyl groups. Bipolar drug turns foraging ants into scouts 2015-12-31T05:00:00Z Cholesterol synthesis starts with acetyl groups, and the components of triglycerides come from glycerol-3-phosphate from glycolysis and acetyl groups produced in the mitochondria from pyruvate. Biology for AP Courses 2022-06-09T00:00:00Z They energize the acetyl group in the citric acid cycle. Biology for AP Courses 2022-06-09T00:00:00Z During the conversion of pyruvate into the acetyl group, a molecule of carbon dioxide and two high- energy electrons are removed. Biology for AP Courses 2022-06-09T00:00:00Z The synthesis of cholesterol starts with acetyl groups and proceeds in only one direction. Biology for AP Courses 2022-06-09T00:00:00Z Fatty acids are catabolized in a process called beta-oxidation that takes place in the matrix of the mitochondria and converts their fatty acid chains into two carbon units of acetyl groups. Biology for AP Courses 2022-06-09T00:00:00Z Through a series of steps, citrate is oxidized, releasing two carbon dioxide molecules for each acetyl group fed into the cycle. Biology for AP Courses 2022-06-09T00:00:00Z |
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