The Metabolism of the Amino Acids of Escherichia
... with bacteria of known specific activity by measuring the 14C in the protozoa. The number of viable bacteria in the medium in the absence of protozoa was measured initially and at the end of the experiment to obtain an estimate of the loss of viability of the bacterium in the protozoal incubation me ...
... with bacteria of known specific activity by measuring the 14C in the protozoa. The number of viable bacteria in the medium in the absence of protozoa was measured initially and at the end of the experiment to obtain an estimate of the loss of viability of the bacterium in the protozoal incubation me ...
Protein metabolism in exercising human with special reference to
... peptide glycylalanine (Gly-Ala) is depicted as being formed by removal of a water molecule when glycine is linked to alanine. Reproduced from Mathews et al. 2000. ...
... peptide glycylalanine (Gly-Ala) is depicted as being formed by removal of a water molecule when glycine is linked to alanine. Reproduced from Mathews et al. 2000. ...
Defining the complementarities between antibodies and haptens to
... second phase of diversification is antigen dependent, occurs in the activated B-cells, and arises from three mechanisms: somatic mutations, gene conversion, and class-switching [4–6]. Despite the potential to generate an almost incalculable variability in final domain sequences and the lengths of th ...
... second phase of diversification is antigen dependent, occurs in the activated B-cells, and arises from three mechanisms: somatic mutations, gene conversion, and class-switching [4–6]. Despite the potential to generate an almost incalculable variability in final domain sequences and the lengths of th ...
Chemistry Basics - Mr. Grays Physical Science Class
... Weight - Weight is a measure of the force of gravitational attraction between two objects, one of which is usually the earth. The weight of a certain object can change as it moves closer or further away from the earth. On the moon, objects weigh about 1/6th of what they weigh on earth. Mass, on the ...
... Weight - Weight is a measure of the force of gravitational attraction between two objects, one of which is usually the earth. The weight of a certain object can change as it moves closer or further away from the earth. On the moon, objects weigh about 1/6th of what they weigh on earth. Mass, on the ...
The Ostrich (Struthio camelus) egg
... allowed to settle, and the supernatant, devoid of lytic activity, was discarded. The resin was washed successively with a 0.1 u and 0.4 M ammonium acetate buffer (pH 6.8). The lysozyme was eluted with 1 M ammonium acetate buffer (pH 6.8). After a short dialysis (1 h) against distilled water, the bio ...
... allowed to settle, and the supernatant, devoid of lytic activity, was discarded. The resin was washed successively with a 0.1 u and 0.4 M ammonium acetate buffer (pH 6.8). The lysozyme was eluted with 1 M ammonium acetate buffer (pH 6.8). After a short dialysis (1 h) against distilled water, the bio ...
1. 1. Overview of Bioorganic Chemistry
... models, showed that the cleavage was accompanied by simultaneous isomerization of the natural 3',5'-linked RNA to its 2',5'-linked isomer. It is also established that ribonucleosides are converted to deoxyribonucleosides by a biochemical process that removes the 2'-hydroxyl group, and that could hav ...
... models, showed that the cleavage was accompanied by simultaneous isomerization of the natural 3',5'-linked RNA to its 2',5'-linked isomer. It is also established that ribonucleosides are converted to deoxyribonucleosides by a biochemical process that removes the 2'-hydroxyl group, and that could hav ...
Coevolution theory of the genetic code at age thirty
... similar amino acids at neighboring positions (one base removed from each other) in the code would minimize the damage due to mutations, and errors of transcription and translation. The genetic code evolved to maximize this advantage.(2–14) Stereochemical interaction. Stereochemical interactions betw ...
... similar amino acids at neighboring positions (one base removed from each other) in the code would minimize the damage due to mutations, and errors of transcription and translation. The genetic code evolved to maximize this advantage.(2–14) Stereochemical interaction. Stereochemical interactions betw ...
mitochondrial biogenesis during
... nucleic acid precursors into mitochondrial RNA can proceed only with damaged mitochondria (Neubert and Helge, 1965 ; Saccone et al ., 1967) ; under these conditions some loss of specificity could occur . Moreover, contamination by nuclear RNA polymerases is probable . From direct colorimetric measur ...
... nucleic acid precursors into mitochondrial RNA can proceed only with damaged mitochondria (Neubert and Helge, 1965 ; Saccone et al ., 1967) ; under these conditions some loss of specificity could occur . Moreover, contamination by nuclear RNA polymerases is probable . From direct colorimetric measur ...
The theory of electron transfer
... Closed-form solutions of the time-dependent Schrödinger equation are possible only for certain special cases of the electrostatic potential energy V (x) . It is particularly unfortunate that the Schrödinger equation is insoluble for all cases where an electron moves under the influence of more than ...
... Closed-form solutions of the time-dependent Schrödinger equation are possible only for certain special cases of the electrostatic potential energy V (x) . It is particularly unfortunate that the Schrödinger equation is insoluble for all cases where an electron moves under the influence of more than ...
Genetic and biochemical identification of the
... Chorismate mutase (CM) catalyses the rearrangement of chorismate to prephenate and is also the first and the key enzyme that diverges the shikimate pathway to either tryptophan (Trp) or phenylalanine (Phe) and tyrosine (Tyr). Corynebacterium glutamicum is one of the most important amino acid produce ...
... Chorismate mutase (CM) catalyses the rearrangement of chorismate to prephenate and is also the first and the key enzyme that diverges the shikimate pathway to either tryptophan (Trp) or phenylalanine (Phe) and tyrosine (Tyr). Corynebacterium glutamicum is one of the most important amino acid produce ...
Adaptation to hypoxia alters energy metabolism in rat - AJP
... controls, indicative of a decreased flux through the malateaspartate shuttle under conditions of O2 limitation. Myocardial glutamine levels were lower in hypoxic rats, and glutamine-to-glutamate concentration ratios decreased, although primarily in the pressure-overloaded right ventricle. These find ...
... controls, indicative of a decreased flux through the malateaspartate shuttle under conditions of O2 limitation. Myocardial glutamine levels were lower in hypoxic rats, and glutamine-to-glutamate concentration ratios decreased, although primarily in the pressure-overloaded right ventricle. These find ...
From Sequence to Structure
... with each other and with water. These differences profoundly influence their contributions to protein stability and to protein function. Hydrophobic amino-acid residues engage in van der Waals interactions only. Their tendency to avoid contact with water and pack against each other is the basis for ...
... with each other and with water. These differences profoundly influence their contributions to protein stability and to protein function. Hydrophobic amino-acid residues engage in van der Waals interactions only. Their tendency to avoid contact with water and pack against each other is the basis for ...
Role of the non-respiratory pathways in the utilization of molecular
... Copyright 2003 John Wiley & Sons, Ltd. Keywords: yeast; Saccharomyces cerevisiae; oxygen; aerobiosis; anaerobiosis; cyanide-resistant respiration; oxygen sensing ...
... Copyright 2003 John Wiley & Sons, Ltd. Keywords: yeast; Saccharomyces cerevisiae; oxygen; aerobiosis; anaerobiosis; cyanide-resistant respiration; oxygen sensing ...
Variation in the link between oxygen consumption and ATP
... energy metabolism is rarely specified. The broad concept of metabolism includes all anabolic and catabolic reactions within an organism, and consequently covers all processes associated with obtaining, assimilating, transforming and allocating resources. The term ‘oxygen consumption rate’ is usually ...
... energy metabolism is rarely specified. The broad concept of metabolism includes all anabolic and catabolic reactions within an organism, and consequently covers all processes associated with obtaining, assimilating, transforming and allocating resources. The term ‘oxygen consumption rate’ is usually ...
Biochemical Screening of Pyrimidine
... respiratory enzymes. The agents found active against this system were then tested against a more specific system with a glycolytic energy source. The differential screening systems show clearly which agents are active against orotic acid metabolism per se and which are active against oxidative phosp ...
... respiratory enzymes. The agents found active against this system were then tested against a more specific system with a glycolytic energy source. The differential screening systems show clearly which agents are active against orotic acid metabolism per se and which are active against oxidative phosp ...
a new equation for calculating the number of atp molecules
... recycled in the mitochondria where it is recharged and becomes again as ATP. ATP is not significantly unstable; however in the absence of a catalyst its hydrolysis is very slow to insure its stored energy. On the other hand, this stored energy in ATP is readily released in the presence of the approp ...
... recycled in the mitochondria where it is recharged and becomes again as ATP. ATP is not significantly unstable; however in the absence of a catalyst its hydrolysis is very slow to insure its stored energy. On the other hand, this stored energy in ATP is readily released in the presence of the approp ...
The metabolism of glucose by Pseudomonas aeruginosa
... Variations in the method of degradation of hexoses by differ ent tissues have become apparent in the literature and these are still not clearly understood. ...
... Variations in the method of degradation of hexoses by differ ent tissues have become apparent in the literature and these are still not clearly understood. ...
A Raman spectroscopic study of the interaction between nucleotides
... causes no shielding of the SH groups. With Raman difference spectroscopy i t is shown that binding of the protein to a single-stranded nucleotide involves both tyrosine and trytophan residues. A change in the secondary structure of the protein upon binding is observed. In the complex, gp32 contains ...
... causes no shielding of the SH groups. With Raman difference spectroscopy i t is shown that binding of the protein to a single-stranded nucleotide involves both tyrosine and trytophan residues. A change in the secondary structure of the protein upon binding is observed. In the complex, gp32 contains ...
Protease Inhibitors - laboratornichemikalie.cz
... [5] Song and Suh (1998) Kunitz-type soybean trypsin inhibitor revisited: refined structure of its c omplex with porcine trypsin reveals an insight into the interaction between a homologous inhibitor from Erythrina caffra and tissue-type plasminogen activator.J Mol Biol. 275 (2), 347-63 ...
... [5] Song and Suh (1998) Kunitz-type soybean trypsin inhibitor revisited: refined structure of its c omplex with porcine trypsin reveals an insight into the interaction between a homologous inhibitor from Erythrina caffra and tissue-type plasminogen activator.J Mol Biol. 275 (2), 347-63 ...
21. glycolysis
... chain form of fructose 6-phosphate. The α- and β-pyranose forms are interconvertible, so all of the glucose 6-phosphate is available to the enzyme. Step 3 : Phosphorylation of Fructose 6-phosphate This is the second of the two priming or activating reactions of glycolysis (the first one being Step 1 ...
... chain form of fructose 6-phosphate. The α- and β-pyranose forms are interconvertible, so all of the glucose 6-phosphate is available to the enzyme. Step 3 : Phosphorylation of Fructose 6-phosphate This is the second of the two priming or activating reactions of glycolysis (the first one being Step 1 ...
PE_Ans_Bk1_e_public
... adipose tissue acts as shock absorber protecting internal organs from mechanical injuries or lipids form waterproof cuticle on the epidermis of plants and oil on the skin of mammals preventing dehydration or protein like keratin in nails hardens the nails for defence ...
... adipose tissue acts as shock absorber protecting internal organs from mechanical injuries or lipids form waterproof cuticle on the epidermis of plants and oil on the skin of mammals preventing dehydration or protein like keratin in nails hardens the nails for defence ...
The Tricarboxylic Acid Cycle Background - Rose
... However, the cis-aconitate appears to rotate within the active site without dissociating. Aconitase contains an iron-sulfur center prosthetic group. Iron-sulfur centers are usually found in proteins involved in electron transfer processes; aconitase is therefore unusual in that its reaction does no ...
... However, the cis-aconitate appears to rotate within the active site without dissociating. Aconitase contains an iron-sulfur center prosthetic group. Iron-sulfur centers are usually found in proteins involved in electron transfer processes; aconitase is therefore unusual in that its reaction does no ...
Metalloprotein
Metalloprotein is a generic term for a protein that contains a metal ion cofactor. A large number of all proteins are part of this category.