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Peptide bond formation is catalyzed by peptidyl transferase. The carboxyl end of the amino acid bound to the tRNA in this reaction and in the P site is uncoupled from the tRNA and becomes joined by a peptide bond to the amino set of the amino acid connect to the tRNA in the A site. A protein with peptidyl transferase activity has certainly not been isolated. The reason is now obvious; in E. coli at least, the peptidyl transfers activity is related with part of the 23S rRNA in the vast ribosomal subunit. Alternatively, peptidyl transferase is a ribozyme, a catalytic activity which resides in an RNA molecule.
describe in details charateristics of two sub phyla of phylum anthropoda
Q. Show the Peptide found in the brain? There are as many as 300 peptide neurotransmitters found in the brain. Peptide is a short protein consisting of fewer than 100 amino aci
Inversion We know that atmosphere is heated from below and warm air rises, but air can be prevented from rising by a condition known as inversion. An inversion refers to a situ
Hormones
What is the acrosome of the sperm cell? How is it formed? The acrosome is a structure that has a great number of digestive enzymes, it is located in the anterior end of the spe
Autoxidation It is generally agreed that "autoxidation", that is, the reaction with molecular oxygen via a self - catalytic mechanism, is the main reaction involved in oxidati
What are the antigen-presenting cells of the immune system? The antigen-presenting cells of the immune system, also called as APC cells, are cells that do phagocytosis and dige
Define Reagents Required and Methodology for Mucic Acid Test? - Sugar solution - Conc. Nitric acid Methodology Take about 50 mg of sugar in a test tube. Add 1 ml
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What is the functional unity of the kidneys? The functional (filtering) unity of the kidneys is the nephron. A nephron is made of afferent arteriole, efferent arteriole, glomer
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