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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 |