HSCI 100 Lecture Notes - Lecture 3: Dehydration Reaction, Unsaturated Fat, Saturated Fat

• School: Simon Fraser University
• Department: Health Sciences
• Course: HSCI 100
• Professor: Nienke Van Houten

Document Summary

Macromolecules: large biological molecules: carbohydrates, lipids, proteins, nucleic acids ex: vitamin c ex: lipoproteins (protein, glucose, dna, phospholipid. Polymers: long molecule of many identical or similar building blocks strung together. Dehydration synthesis: chemical reaction resulting in a covalent bond with the loss of water molecule. Hydrolysis reaction: addition of water with h+ being added. Made of c, h and o (which the h and o atoms are in 2:1 ratio) Function: as short and long term energy storage. Monosaccharide: 1 carbon ring as found in glucose. Dissaccharide: 2 carbon rings as found in maltose. Cellulose: plant cell walls contain cellulose and the ridged of these cell walls permit plants to stand up right as it get h2o. Linkages are important between sugar molecules- we can t break down cellulose. Molecules that do not dissolve in water (non-polar) Used as energy molecules (more energy per gram than other biological molecules) Found as fats and oils, phospholipids and steroids.