Review Article Hydroxyl radical generation theory: a possible
... Kirkman and Gaetani [3] in their review proposed schemes for reducing various states of catalase using intermediate model with and without NADPH. The radicals of amino acids within the structure of catalase were accounted specific for the reduction of compound-I to form different intermediates. Thes ...
... Kirkman and Gaetani [3] in their review proposed schemes for reducing various states of catalase using intermediate model with and without NADPH. The radicals of amino acids within the structure of catalase were accounted specific for the reduction of compound-I to form different intermediates. Thes ...
Article - Inter Research
... that of Alvinella pompejana is of the fragile class, incorporating exogenous minerals. Table 3 compares amino acid compositions of the R. pachyptila and A. pompejana tubes with those of other polychaetes and pogonophorans. Such an analysis demonstrates the inconsistency of worm-tube protein types. A ...
... that of Alvinella pompejana is of the fragile class, incorporating exogenous minerals. Table 3 compares amino acid compositions of the R. pachyptila and A. pompejana tubes with those of other polychaetes and pogonophorans. Such an analysis demonstrates the inconsistency of worm-tube protein types. A ...
An Introduction to Enzyme Science
... large measure from the capacity of enzymes to specifically or selectively bind other ligands (e.g., coenzymes, cofactors, activators, inhibitors, protons and metal ions). Attesting to the significance of enzyme stereospecificity in the biotic world is that most metabolites and natural products conta ...
... large measure from the capacity of enzymes to specifically or selectively bind other ligands (e.g., coenzymes, cofactors, activators, inhibitors, protons and metal ions). Attesting to the significance of enzyme stereospecificity in the biotic world is that most metabolites and natural products conta ...
electron transport chain
... • In cellular respiration, glucose and other organic molecules are broken down in a series of steps • Electrons from organic compounds are usually first transferred to NAD+, a coenzyme • As an electron acceptor, NAD+ functions as an oxidizing agent during cellular respiration • Each NADH (the reduce ...
... • In cellular respiration, glucose and other organic molecules are broken down in a series of steps • Electrons from organic compounds are usually first transferred to NAD+, a coenzyme • As an electron acceptor, NAD+ functions as an oxidizing agent during cellular respiration • Each NADH (the reduce ...
Print - Circulation Research
... chromatography. The solvent fracn'onation method of Borgstrbm (19) was attempted but abandoned because of poor recovery (70 to 77%). The chromatographic plate was coated by silica gel G to 0.25 mm thick. The chromatogram was developed by petroleum ether-ether-acetic acid (80:20:2, v/v/v) (20). The s ...
... chromatography. The solvent fracn'onation method of Borgstrbm (19) was attempted but abandoned because of poor recovery (70 to 77%). The chromatographic plate was coated by silica gel G to 0.25 mm thick. The chromatogram was developed by petroleum ether-ether-acetic acid (80:20:2, v/v/v) (20). The s ...
USMLE Step 1 - Becker Professional Education
... of State Medical Boards (FSMB) and National Board of Medical Examiners® (NBME®). United States Medical Licensing Examination, USMLE, National Board of Medical Examiners, and NBME are registered trademarks of the National Board of Medical Examiners. The National Board of Medical Examiners does not sp ...
... of State Medical Boards (FSMB) and National Board of Medical Examiners® (NBME®). United States Medical Licensing Examination, USMLE, National Board of Medical Examiners, and NBME are registered trademarks of the National Board of Medical Examiners. The National Board of Medical Examiners does not sp ...
SQA CfE Higher Human Biology Unit 1: Human Cells
... Any other use of the materials is governed by the general copyright statement that follows. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, without written permission from the publisher. Heriot-Watt Universi ...
... Any other use of the materials is governed by the general copyright statement that follows. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, without written permission from the publisher. Heriot-Watt Universi ...
Worm integumentary l-histidine transport
... life-cycle changes. Membrane-transport processes responsible for transferring these compounds from seawater to integumental epithelial cells were similar to those described for animal cells across phyla, except that integumental transport systems displayed extremely high apparent binding affinities ...
... life-cycle changes. Membrane-transport processes responsible for transferring these compounds from seawater to integumental epithelial cells were similar to those described for animal cells across phyla, except that integumental transport systems displayed extremely high apparent binding affinities ...
2 ATP - HCC Learning Web
... • The acetyl group of acetyl CoA joins the cycle by combining with oxaloacetate, forming citrate • The next seven steps decompose the citrate back to oxaloacetate, making the process a cycle • The cycle oxidizes organic fuel derived from pyruvate, generating 1 ATP, 3 NADH, and 1 FADH2 per cycle but ...
... • The acetyl group of acetyl CoA joins the cycle by combining with oxaloacetate, forming citrate • The next seven steps decompose the citrate back to oxaloacetate, making the process a cycle • The cycle oxidizes organic fuel derived from pyruvate, generating 1 ATP, 3 NADH, and 1 FADH2 per cycle but ...
Yeast lipid metabolism at a glance
... 3R-hydroxyacyl-CoA as intermediate. The thiolase Fox3p (Pot1p) catalyzes the final step of the b-oxidation where 3-ketoacyl-CoA is cleaved to acetyl-CoA and a C2reduced acyl-CoA (Hiltunen et al., 2003; Poirier et al., ...
... 3R-hydroxyacyl-CoA as intermediate. The thiolase Fox3p (Pot1p) catalyzes the final step of the b-oxidation where 3-ketoacyl-CoA is cleaved to acetyl-CoA and a C2reduced acyl-CoA (Hiltunen et al., 2003; Poirier et al., ...
Document
... New studies suggest that whey may uniquely influence food intake through its effects on cholecystokinin and other pathways. While many studies have shown that protein is the most filling or satiating macronutrient, all proteins may not be equal in this regard. Two human studies conducted at the Univ ...
... New studies suggest that whey may uniquely influence food intake through its effects on cholecystokinin and other pathways. While many studies have shown that protein is the most filling or satiating macronutrient, all proteins may not be equal in this regard. Two human studies conducted at the Univ ...
Amino acid and N mineralization dynamics in heathland soil after
... N (IN; mainly ammonium (NH+ 4 ) and nitrate (NO3 )) and organic N (ON; e.g. free amino acids, FAAs) is dependent on the availability and production of the different N moieties (Nordin et al., 2004; Jones and Kielland, 2012). However, knowledge of the relative importance of IN and FAAs for plants and ...
... N (IN; mainly ammonium (NH+ 4 ) and nitrate (NO3 )) and organic N (ON; e.g. free amino acids, FAAs) is dependent on the availability and production of the different N moieties (Nordin et al., 2004; Jones and Kielland, 2012). However, knowledge of the relative importance of IN and FAAs for plants and ...
Biotechnology and Bioengineering
... and a 957 bp DNA fragment that includes the SalI restriction site downstream of codon F176 was amplified using primers F176-front and ToMO-SalI-rear (Table I). Similarly, to perform saturation mutagenesis at TouA position F196, a 763 bp DNA fragment was amplified using primers ToMO-KpnI-front and F1 ...
... and a 957 bp DNA fragment that includes the SalI restriction site downstream of codon F176 was amplified using primers F176-front and ToMO-SalI-rear (Table I). Similarly, to perform saturation mutagenesis at TouA position F196, a 763 bp DNA fragment was amplified using primers ToMO-KpnI-front and F1 ...
Minimum electrophilicity principle in Lewis acid–base complexes of
... To reinvestigate the acidity strength of some boron trihalides (BX3; X = F, Cl and Br) from theoretical point of view, two sets of Lewis bases (weak and strong), which can form stable compounds with these acids, are considered here. It is expected that more stable complexes are formed by stronger ac ...
... To reinvestigate the acidity strength of some boron trihalides (BX3; X = F, Cl and Br) from theoretical point of view, two sets of Lewis bases (weak and strong), which can form stable compounds with these acids, are considered here. It is expected that more stable complexes are formed by stronger ac ...
Problem-Set Solutions
... phosphoenolpyruvate, can also act as an intermediate in the first step of the citric acid cycle; oxaloacetate combines with acetyl CoA, which can go directly into the citric acid cycle. 24.70 GTP and ATP 24.71 Lactate formed by muscle activity diffuses into the blood and is carried to the liver wher ...
... phosphoenolpyruvate, can also act as an intermediate in the first step of the citric acid cycle; oxaloacetate combines with acetyl CoA, which can go directly into the citric acid cycle. 24.70 GTP and ATP 24.71 Lactate formed by muscle activity diffuses into the blood and is carried to the liver wher ...
Expression of phosphofructokinase in Neisseria meningitidis
... phosphate pathway. The Embden–Meyerhof–Parnas pathway is not functional, because the gene for phosphofructokinase (PFK) is not present. The phylogenetic distribution of PFK indicates that in most obligate aerobic organisms, PFK is lacking. We conclude that this is because of the limited contribution ...
... phosphate pathway. The Embden–Meyerhof–Parnas pathway is not functional, because the gene for phosphofructokinase (PFK) is not present. The phylogenetic distribution of PFK indicates that in most obligate aerobic organisms, PFK is lacking. We conclude that this is because of the limited contribution ...
Jesse Rabinowitz - National Academy of Sciences
... Folic acid coenzymes and one-carbon Metabolism Many important one-carbon transfer reactions are mediated by the tetrahydrofolate (THF) coenzyme form of folic acid. THF is required for the biosynthesis of purines, ...
... Folic acid coenzymes and one-carbon Metabolism Many important one-carbon transfer reactions are mediated by the tetrahydrofolate (THF) coenzyme form of folic acid. THF is required for the biosynthesis of purines, ...
Biosynthesis
Biosynthesis (also called biogenesis or anabolism) is a multi-step, enzyme-catalyzed process where substrates are converted into more complex products in living organisms. In biosynthesis, simple compounds are modified, converted into other compounds, or joined together to form macromolecules. This process often consists of metabolic pathways. Some of these biosynthetic pathways are located within a single cellular organelle, while others involve enzymes that are located within multiple cellular organelles. Examples of these biosynthetic pathways include the production of lipid membrane components and nucleotides.The prerequisite elements for biosynthesis include: precursor compounds, chemical energy (e.g. ATP), and catalytic enzymes which may require coenzymes (e.g.NADH, NADPH). These elements create monomers, the building blocks for macromolecules. Some important biological macromolecules include: proteins, which are composed of amino acid monomers joined via peptide bonds, and DNA molecules, which are composed of nucleotides joined via phosphodiester bonds.