Q1.Fill in positive, negative and neutral The isoelectric point, pl, of two amino acids is shown below Amino acid A Amino acid B H,N-CH-C-OH CH2 он ksoelectric point = 63 isoelectric point = 9.5 What is the likely net charge of amino acid A at pH 7.8 What is the likely net charge of amino acid B at pH 6.5 Q2. The side groups of proteins can react with carbohydrates to form glycoproteins. The reaction occurs through a nucleophilic group on the side group of an amino acid residue. As part of a protein, which of the following amino acid residues is NOT appropriate to react with a carbohydrate molecule.
Neutral Amino Acids
Amino acids which do not have any charge on them are neutral amino acids.
Globular Protein
The globular proteins refer to the shape of protein specifically spherical in nature apart from spherical form fibrous, disordered and membrane-bound proteins exist. These globular proteins are miscible in water and form a colloidal solution rather than other types which might not exhibit solubility. Many classes of the fold are found in globular proteins, which render them a sphere shape. Globular fold containing proteins usually are referred to by the term globin.
Dimer
Dimers are basic organic compounds, which are derivates of oligomers. It is formed by the combination of two monomers which could potentially be strong or weak and in most cases covalent or intermolecular in nature. Identical monomers are called homodimer, the non-identical dimers are called heterodimer. The method by which dimers are formed is known as “dimerization”.
Dipeptide
A dipeptide is considered a mixture of two distinct amino acids. Since the amino acids are distinct, based on their composition, two dipeptide's isomers can be produced. Various dipeptides are biologically essential and are therefore crucial to industry.
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