Absorption of Amino Acids from an Amino Acid
... (Holdsworth & Dawson, 1964) and expressed on a percentage basis. The significance of differences between means was assessed by the paired t-test. RESULTS A N D DISCUSSION The results (Fig. 1) show that the extent to which amino acids were absorbed from the amino acid mixture varied considerably, the ...
... (Holdsworth & Dawson, 1964) and expressed on a percentage basis. The significance of differences between means was assessed by the paired t-test. RESULTS A N D DISCUSSION The results (Fig. 1) show that the extent to which amino acids were absorbed from the amino acid mixture varied considerably, the ...
The Role of the Carnitine System in Human Metabolism
... acyl CoA is transferred into triglyceride in the fed state and enters fatty acid β-oxidation in the fasted state or in poorly controlled type 1 diabetes. We originally thought that the initiating event was blockade of triglyceride synthesis. That would allow long-chain fatty acyl CoA to enter the mi ...
... acyl CoA is transferred into triglyceride in the fed state and enters fatty acid β-oxidation in the fasted state or in poorly controlled type 1 diabetes. We originally thought that the initiating event was blockade of triglyceride synthesis. That would allow long-chain fatty acyl CoA to enter the mi ...
Succinyl-CoA Synthetase Activity Colorimetric Assay Kit
... Succinyl-CoA Synthetase (SCS, also called Succinyl-CoA ligase, Succinate Thiokinase) (EC 6.2.1.5) is a critical enzyme in the citric acid cycle and an important metabolic intermediate for porphyrin, heme and ketone body biosynthesis. It is located in the mitochondrial matrix and is a heterodimer com ...
... Succinyl-CoA Synthetase (SCS, also called Succinyl-CoA ligase, Succinate Thiokinase) (EC 6.2.1.5) is a critical enzyme in the citric acid cycle and an important metabolic intermediate for porphyrin, heme and ketone body biosynthesis. It is located in the mitochondrial matrix and is a heterodimer com ...
An amino acid contains an amino group, a carboxyl
... The resulting chain of amino acids is called a polypeptide chain. Each polypeptide has a free amino group at one end. This end is called the N terminal, or the amino terminal, and the other end has a free carboxyl group, also known as the C or carboxyl terminal. When reading or reporting the amino a ...
... The resulting chain of amino acids is called a polypeptide chain. Each polypeptide has a free amino group at one end. This end is called the N terminal, or the amino terminal, and the other end has a free carboxyl group, also known as the C or carboxyl terminal. When reading or reporting the amino a ...
Electrochemistry Oxidation – Reduction and Oxidation Numbers
... 5. Oxygen in a compound or ion usually has an oxidation state of –2. (Peroxides are the exception, in which case the oxidation number is –1.) 6. Hydrogen in a compound or ion usually has an oxidation state of +1. (Hydrides are the exception, in which case the oxidation number is –1.) 7. For covalent ...
... 5. Oxygen in a compound or ion usually has an oxidation state of –2. (Peroxides are the exception, in which case the oxidation number is –1.) 6. Hydrogen in a compound or ion usually has an oxidation state of +1. (Hydrides are the exception, in which case the oxidation number is –1.) 7. For covalent ...
Pangborn Jon Toronto 2009
... escorts fatty acids (as fatty-acyl carnitine) through the inner mitochondrial membrane. • Combines with excesses of organic acids (propionic, isovaleric, 3-methylglutaric, valproic, others) to accomplish a detoxication function. ...
... escorts fatty acids (as fatty-acyl carnitine) through the inner mitochondrial membrane. • Combines with excesses of organic acids (propionic, isovaleric, 3-methylglutaric, valproic, others) to accomplish a detoxication function. ...
Amino acids and proteins
... charged at physiological pH. Histidine (His; H) has an imidazole ring which often sits inside the active site of an enzyme and helps bonds to be broken or made. It can do this because it can exist in two states -uncharged, or positively charged. ...
... charged at physiological pH. Histidine (His; H) has an imidazole ring which often sits inside the active site of an enzyme and helps bonds to be broken or made. It can do this because it can exist in two states -uncharged, or positively charged. ...
AAA-Direct Amino Acid Analysis System
... Amino Acids, Amino Sugars, and Carbohydrates Amino sugars are often present in protein hydrolysates and can be determined directly along with amino acids because they are well resolved on the AminoPac PA10 column (Figure 6). In the biotechnology industry, the AAA-Direct Amino Acid Analysis System ha ...
... Amino Acids, Amino Sugars, and Carbohydrates Amino sugars are often present in protein hydrolysates and can be determined directly along with amino acids because they are well resolved on the AminoPac PA10 column (Figure 6). In the biotechnology industry, the AAA-Direct Amino Acid Analysis System ha ...
Working With Enzymes - Southern Biological
... They are collectively referred to as amylase because of their common purpose – the breakdown of starch – but they can be significantly different biochemicals. Most commercial enzymes these days are derived from bacterial or fungal cultures that can be grown in large bioreactors to maximize the yield ...
... They are collectively referred to as amylase because of their common purpose – the breakdown of starch – but they can be significantly different biochemicals. Most commercial enzymes these days are derived from bacterial or fungal cultures that can be grown in large bioreactors to maximize the yield ...
Rudolph Vogi Dimitrios Oreopoulos Amino Acid
... His)-Lys. Because this peptide was formed by the action of trypsin, the Cterminal amino acid is lysine. The residue of a basic amino acid (lysine) at po- ...
... His)-Lys. Because this peptide was formed by the action of trypsin, the Cterminal amino acid is lysine. The residue of a basic amino acid (lysine) at po- ...
Role of Adipose Tissue in Lipid Metabolism
... Role of Adipose Tissue in Lipid Metabolism Adipose tissues carry all metabolic process of any active ...
... Role of Adipose Tissue in Lipid Metabolism Adipose tissues carry all metabolic process of any active ...
Lecture #1 ~ Date_________
... – facilitate chemical reactions • increase rate of reaction without being consumed • reduce activation energy • don’t change free energy (G) released or required ...
... – facilitate chemical reactions • increase rate of reaction without being consumed • reduce activation energy • don’t change free energy (G) released or required ...
Aromatic amino acid metabolism
... phosphoribosyl pyrophosphate (PRPP), an activated form of ribose phosphate. The C-1 atom of ribose 5-phosphate becomes bonded to the nitrogen atom of anthranilate in a reaction that is driven by the hydrolysis of pyrophosphate. The ribose moiety of ribosylanthranilate undergoes rearrangement to ...
... phosphoribosyl pyrophosphate (PRPP), an activated form of ribose phosphate. The C-1 atom of ribose 5-phosphate becomes bonded to the nitrogen atom of anthranilate in a reaction that is driven by the hydrolysis of pyrophosphate. The ribose moiety of ribosylanthranilate undergoes rearrangement to ...
The Cell, 5e
... glycolysis reactions • 3 critical irreversible steps have separate enzymes (these also regulated) ...
... glycolysis reactions • 3 critical irreversible steps have separate enzymes (these also regulated) ...
CHEMICAL REACTIONS
... • e.g. Br2 + CH2=CH2 Æ CH2Br-CH2Br • e.g. H2 + CH2=CH2 Æ CH3-CH3 2. Substitution reactions Occur when an atom attached to carbon is replaced by something else. • e.g. Cl2 + CH4 Æ CH3Cl + HCl 3. Combustion Reactions When an organic compound is oxidized. Complete combustion results in carbon dioxide a ...
... • e.g. Br2 + CH2=CH2 Æ CH2Br-CH2Br • e.g. H2 + CH2=CH2 Æ CH3-CH3 2. Substitution reactions Occur when an atom attached to carbon is replaced by something else. • e.g. Cl2 + CH4 Æ CH3Cl + HCl 3. Combustion Reactions When an organic compound is oxidized. Complete combustion results in carbon dioxide a ...
R - MyCourses
... secondary structure describes 3D-objects formed through H-bonding interactions ...
... secondary structure describes 3D-objects formed through H-bonding interactions ...
Rate Law in Enzyme Catalyzed Reactions
... The water has been made more nucleophilic without generation of a high concentraion of OH or without the formation of unstable, high-energy species. Covalent catalysis A “charge relay” increases the reactivity of Ser 195 in chymotrypsin The specificity pocket in chymotrypsin is lined by hydrophobic ...
... The water has been made more nucleophilic without generation of a high concentraion of OH or without the formation of unstable, high-energy species. Covalent catalysis A “charge relay” increases the reactivity of Ser 195 in chymotrypsin The specificity pocket in chymotrypsin is lined by hydrophobic ...
Review session for exam-I
... that is activated by one or more proteolytic cleavages in its sequence. ...
... that is activated by one or more proteolytic cleavages in its sequence. ...
Citric acid cycle
The citric acid cycle – also known as the tricarboxylic acid (TCA) cycle or the Krebs cycle – is a series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetate derived from carbohydrates, fats and proteins into carbon dioxide and chemical energy in the form of adenosine triphosphate (ATP). In addition, the cycle provides precursors of certain amino acids as well as the reducing agent NADH that is used in numerous other biochemical reactions. Its central importance to many biochemical pathways suggests that it was one of the earliest established components of cellular metabolism and may have originated abiogenically.The name of this metabolic pathway is derived from citric acid (a type of tricarboxylic acid) that is consumed and then regenerated by this sequence of reactions to complete the cycle. In addition, the cycle consumes acetate (in the form of acetyl-CoA) and water, reduces NAD+ to NADH, and produces carbon dioxide as a waste byproduct. The NADH generated by the TCA cycle is fed into the oxidative phosphorylation (electron transport) pathway. The net result of these two closely linked pathways is the oxidation of nutrients to produce usable chemical energy in the form of ATP.In eukaryotic cells, the citric acid cycle occurs in the matrix of the mitochondrion. In prokaryotic cells, such as bacteria which lack mitochondria, the TCA reaction sequence is performed in the cytosol with the proton gradient for ATP production being across the cell's surface (plasma membrane) rather than the inner membrane of the mitochondrion.