8454237
Description
Flashcards by mate spark, updated more than 1 year ago
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Created by mate spark
about 7 years ago
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| Question | Answer |
| What are the four macromolecules (including 3 nutrients)? | Carbohydrates, proteins, lipids (fats and oils) and DNA. |
| What elements make up carbs, proteins and fats? | Carbs: CHO Proteins: CHON (S) (P) Fats: CHO |
| What are monosaccharides, disaccharides and polysaccharides? | Disaccharides: Two monosaccharides Polysaccharides: More than two sugar molecules |
| What are the three monosaccharide sugars? | Glucose, Galactose and Fructose |
| What are the three disaccharide sugars? | Sucrose, Maltose and Lactose |
| What is sucrose made up of? | One glucose molecule, one fructose molecule |
| What is maltose made up of? | 2 glucose molecules |
| What is lactose made up of? | One glucose molecule and one galactose molecules |
| What are three polysaccharides? | Glycogen, starch and cellulose |
| What molecule is repeated to form glycogen, starch and cellulose? | Glucose |
| What is the difference between glycogen and starch? | Starch is found in plants, glycogen in animals |
| What are lipids composed of? | 3 chains of fatty acids and 1 glycerol molecule |
| What are proteins made out of? | Amino acids |
| What is a string of amino acids called? | A peptide |
| Why do different proteins have different structures? | Because the sequence of amino acids changes. |
| What is the structure of DNA? | A double helix |
| What is each strand of DNA made out of, and in what order are they? | Bases (AT,CG) |
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