what is the chemical composition of proteins?
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Explanation: There are 20 different amino acids which make up proteins. Each amino acid consists of a central carbon. The central carbon is bonded to an amine group ( NH2 ), a carboxyl group (COOH), a hydrogen atom and an R group.
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['Colour and Taste. Proteins are colourless and usually tasteless. ... ', 'Shape and Size. The proteins range in shape from simple crystalloid spherical structures to long fibrillar structures. ... ', 'Molecular Weight. ... ', 'Colloidal Nature. ... ', 'Denaturation. ... ', 'Amphoteric Nature. ... ', 'Ion Binding Capacity. ... ', 'Solubility.']
1045794
['Dissolve in water (rather than oils / fats)', 'Are formed from amino acids - which are themselves the structural units of proteins and are soluble in water.', 'Cannot pass through the target cell membranes (which include fatty components).']
1152184
A protein is an organic compound made up of small molecules called amino acids. There are 20 different amino acids commonly found in the proteins of living organisms.
1090901
['When it comes to protein, there are 20 different amino acids that make up each molecule of protein, and these are split into 2 categories: Non-Essential Amino Acids and Essential Amino Acids (EAAs)', 'There are two main categories (or sources) of proteins – animal and plant based.']
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["Main protein: between 3 and 9 o'clock.", "Starch: between 9 and 12 o'clock.", "Vegetable: between 12 and 3 o'clock."]
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Proteins can be divided into two categories: fibrous, which tend to be insoluble in water, and globular, which are more soluble in water. A protein may have up to four levels of structure. The primary structure consists of the specific amino acid sequence.
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Cells have thousands of different proteins, each with a specific function. Even so, all proteins are polymers constructed from a set of 20 amino acid monomers linked end-to-end, up to thousands of amino acids long, each in a unique 3-D shape.
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Insulin is a protein composed of two chains, an A chain (with 21 amino acids) and a B chain (with 30 amino acids), which are linked together by sulfur atoms. Insulin is derived from a 74-amino-acid prohormone molecule called proinsulin.
1080753
Proteins are important structural and functional biomolecules that are a major part of every cell in your body. There are 2 nucleic acids -- DNA and RNA. Your cells make proteins by following the instructions encoded in your DNA, which is genetic material and a type of nucleic acid.
290497
['proteins, peptides, and modified amino acids.', 'steroids.']
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2. Polypeptides and proteins are made up of linear sequences of amino acids. In its functional form, each protein has a specific three-dimensional structure or shape. ... Amino acids are covalently linked together via peptide bonds to form polypeptides or proteins.
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Amino acids are the monomers that make up proteins. Each amino acid has the same fundamental structure, which consists of a central carbon atom, also known as the alpha (α) carbon, bonded to an amino group (NH2), a carboxyl group (COOH), and to a hydrogen atom.
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Both peptides and proteins are made up of strings of the body's basic building blocks – amino acids – and held together by peptide bonds. In basic terms, the difference is that peptides are made up of smaller chains of amino acids than proteins.
77477
Even so, all proteins are polymers constructed from a set of 20 amino acid monomers linked end-to-end, up to thousands of amino acids long, each in a unique 3-D shape. There are 20 amino acid monomers: Each has the overall structure shown at right.
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The overall chemical composition of hair is 45 % carbon, 28 % oxygen, 15 % nitrogen, 7 % hydrogen and 5 % sulphur. The hair shaft is essentially composed of keratin. Hair keratin is hard, compact and strong. This fibrous protein is gradually formed inside cells from the germinal layer.
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All amino acids have the alpha carbon bonded to a hydrogen atom, carboxyl group, and amino group. The "R" group varies among amino acids and determines the differences between these protein monomers. The amino acid sequence of a protein is determined by the information found in the cellular genetic code.