Carbohydrates and Lipids (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are the three most abundant elements in living matter?
What are the three most abundant elements in living matter?
Carbon, hydrogen, oxygen
What is the typical elemental ratio in carbohydrates?
What is the typical elemental ratio in carbohydrates?
Which type of carbohydrate is the primary energy source for cells?
Which type of carbohydrate is the primary energy source for cells?
Monosaccharides
What is the molecular formula of glucose?
What is the molecular formula of glucose?
How are disaccharides formed?
How are disaccharides formed?
Two monosaccharide units join together
Which property describes polysaccharides?
Which property describes polysaccharides?
Not sweet-tasting, often insoluble
Why can humans digest starch but not cellulose?
Why can humans digest starch but not cellulose?
Starch has linear chains; cellulose has cross-bonds
What is glycogen's function in animals?
What is glycogen's function in animals?
Storage carbohydrate
How do lipids differ from carbohydrates in composition?
How do lipids differ from carbohydrates in composition?
Lipids have much less oxygen
What is the difference between fats and oils?
What is the difference between fats and oils?
Fats solid, oils liquid at 20°C
What is a triglyceride composed of?
What is a triglyceride composed of?
One glycerol, three fatty acid chains
How much more energy do lipids store per gram compared to carbohydrates?
How much more energy do lipids store per gram compared to carbohydrates?
More than twice as much