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Alpha Amino Acids & Naming of Amino Acids Video Lecture | Biology Class 11 - NEET

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FAQs on Alpha Amino Acids & Naming of Amino Acids Video Lecture - Biology Class 11 - NEET

1. What are alpha amino acids?
Alpha amino acids are organic compounds that serve as the building blocks of proteins. They contain both an amino group (-NH2) and a carboxyl group (-COOH) attached to a central carbon atom. The alpha amino acids are classified based on the presence of an additional functional group on the central carbon, such as an R-group side chain.
2. How many different alpha amino acids are there?
There are 20 different alpha amino acids that are commonly found in proteins. These amino acids have distinct side chains (R-groups) that contribute to their unique properties and functions. Examples of some common alpha amino acids include glycine, alanine, valine, leucine, and phenylalanine.
3. What is the significance of the naming of amino acids?
The naming of amino acids is significant as it helps to differentiate and identify the various types of amino acids. The name of an amino acid is derived from its structure and composition. It typically consists of a prefix indicating the number of carbon atoms in the side chain, followed by the suffix "-ine" for amino acids with basic side chains, "-ic acid" for amino acids with acidic side chains, or "-yl" for amino acids with neutral side chains.
4. Can the naming of amino acids provide information about their properties?
Yes, the naming of amino acids can provide information about their properties. For example, amino acids with basic side chains, such as lysine and arginine, are often involved in forming ionic interactions with other molecules. Amino acids with acidic side chains, such as aspartic acid and glutamic acid, can donate protons and participate in acid-base reactions. Amino acids with neutral side chains, such as alanine and glycine, have a more balanced charge distribution.
5. Are all amino acids found in proteins alpha amino acids?
Yes, all amino acids found in proteins are alpha amino acids. The term "alpha" refers to the position of the amino and carboxyl groups relative to the central carbon atom. In alpha amino acids, the amino group is attached to the alpha carbon, which is directly bonded to the carboxyl group. This arrangement allows for the formation of peptide bonds between alpha amino acids during protein synthesis.
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