Biomolecules Membranes and Cell Structure

Biomolecules Membranes and Cell Structure - Module 3 Notes...

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Module 3 Notes Macromolecules: - 4 main groups of macromolecules o Nucleic Acids(DNA, RNA), Glycans(saccharides), Proteins, Lipids(fats). - Glucose is the main monosaccharide used for energy. - Most lipids do not dissolve well in water. - All fats are made up of three fatty acids bonded to a glycerol group via ester linkage. - Both DNA and RNA encode genetic information. - DNA contains four nucleotides o Guanine o Adenosine o Thymine o Cytosine - RNA contains the same nucleotides with the exception of Thymine, which is replaced with Uracil. - Amino acids are the building blocks of proteins. - A protein is made up of an amino group, carboxyl group, and one of 20 amino acids bonded to a central carbon atom. - Nonpolar amino acids are hydrophobic and found inside globular proteins and cell membranes. - Polar amino acids are hydrophilic (water-loving) and are prone to be located near water, such as the surface of a globular protein. -
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Biomolecules Membranes and Cell Structure - Module 3 Notes...

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