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Poly Peptides
Peptides containing more than 10 amino acids are called poly peptides. Poly peptides are formed by the linear sequence of amino acids. Some proteins are composed of two or more poly peptide chains. Relatively shorter peptides are known as olig..
Charging of tRNA
It is the step in which the amino acid AMP-enzyme complex joins with the amino acid binding site of its specific tRNA, where its COOH group bonds with the OH group of the terminal base triplet CCA. The reaction is catalyzed by the same enzyme, aminoacyl tRNA ..
Proteins - Introduction
Proteins - Introduction - Proteins are the high molecular mass complex biopolymers of amino acids and organic compounds that are most important to life. They are essential for growth and maintenance of life. They are high molecular weight, nitrogen rich substances that are prese..
Biomolecules
Introduction - Biomolecules are complex organic molecules. These molecules form the basic structural constituent of a living cell. The organic compounds such as amino acids, nucleotides and monosaccharides serve as building blocks of complex biomolecules. The important..
Translation-Synthesis of Proteins
Translation-Synthesis of Proteins - Translation is the mechanism by which the triplet base sequence of an mRNA guides the linking of a specific sequence of amino acids to form a polypeptide (protein) on ribosomes. All the proteins a cell needs are synthesized by the ce..
Intestinal Juice
It is secreted by the ileum region of the small intestine. Here the final stage of the digestion of different kinds of food takes place. It contains maltase to convert maltose to glucose; sucrase to convert sucrose to glucose and fructose; lactase to convert lactose to glucose; and galactose and e..
Peptide Bond Formation
When two amino acids combine with each other, the amino group of one amino acid combines with carboxyl group of other amino acid. This leads to peptide bond formation. The combination of the amino group of one molecule ..
When two amino acids combine with each other, the amino group of one amino acid combines with carboxyl group of other amino acid. This leads to peptide bond formation. The combination of the amino group of one molecule ..Iso-electric Point
. If an a -carbon atom has four different groups attached to it. Then it is asymmetric and it exhibits optical isomerism. Except glycine all amino acids exhibit optical activity. Therefore two stereo isomers are formed and they are mirror images to each other. They app..
. If an a -carbon atom has four different groups attached to it. Then it is asymmetric and it exhibits optical isomerism. Except glycine all amino acids exhibit optical activity. Therefore two stereo isomers are formed and they are mirror images to each other. They app..Transport of Nutrients
The food is digested into the simplest of the forms in t he digestive system. Blood carries the digested food or the nutrients absorbed from the intestine to the liver and then to other parts of the body. The food transported includes glucose, fatty acids, amino ..
Introduction
The living cells contain specific macromolecules with a high molecular weight and a poor solubility. Generally in a cell, macromolecules are represented by polysaccharides, proteins, nucleic acids and enzymes. These compounds are formed by polymerisation of micromolecules ..
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