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biology - food
food chapter for leaving cert
| Question | Answer |
|---|---|
| what is the definition of biomolecules | they are chemicals made inside living things |
| what are the different types of carbohydrates | monosaccharides, disaccharides, polysaccharides |
| what are the two examples of monosaccharides | glucose and fructose |
| Give two types of disaccharides and explain what two monosaccharides are bonded together to give the disaccharides | sucrose = glucose + fructose maltose = glucose + glucose |
| give an example of a storage polysaccharide and state where it is found | starch in the roots and stems of plants |
| what is a triglyceride | one molecule of glycerol attached to three fatty acids |
| what are lipoproteins and phospholipids important for | structure of cell membranes |
| elements of carbohydrates | carbon, hydrogen and oxygen |
| what is the function of cellulose | forms plant cell walls |
| what is the metabolic role of lipids | lipids break down in respiration to release energy |
| name two types of protein | globular and fibrous proteins |
| name two examples of one type of protein | globular - egg white and enzymes fibrous - keratin in hair and nails |
| whats another name for vitamin c | ascorbic acid |
| give a function of vitamin c | helps wound to heal |
| name a fat soluble vitamin | vitamin d |