- | Page
SEMMELWEIS ENTRANCE EXAM MEDICINE
BIOLOGY
CORRECT SOLUTIONS.
What are carbohydrates and lipids? - correct answer- Organic compounds that are mostly composed of three types of atom; carbon, hydrogen and oxygen
What do carbohydrates do? - correct answer- provide energy, in the form of sugars like glucose and fructose, but they also make up structures like cellulose, which form the cell wall of plant cells
What type of carbohydrate is the most important source of energy? - correct answer- mono-, di- and poly-saccharides
What are mono and disaccharides? - correct answer- polar and soluble in water
What are polysaccharides? - correct answer- Macromolecules resulting from polymerisation (condensation) of sugars and are not soluble in water 1 / 3
- | Page
Examples of monosaccharides - correct answer- ribose, glucose, fructose, galactose
What forms a disaccharide? - correct answer- two monosaccharides linked together by condensation reactions with glycosidic bonds releasing one H2O molecule
Alpha glucose structure - correct answer-
Beta glucose structure - correct answer-
Examples of Polysaccharides - correct answer- cellulose, glycogen and starch
Monomer of Sucrose - correct answer- glucose and fructose
monomer of maltose - correct answer- glucose and glucose
- / 3
- | Page
monomer of lactose - correct answer- glucose and galactose
monomer of starch - correct answer- glucose
monomer of glycogen - correct answer- glucose
monomer of cellulose - correct answer- glucose
In animals, what carbohydrate stores energy? - correct answer- glycogen
What jobs do carbohydrates have other than storing energy? - correct answer- structural components
What differs the polysaccharides all made up of glucose? - correct answer- they differ in the arrangement of glucose molecules and position of the glycosidic bonds
- / 3