Semmelweis Entrance Exam Medicine Biology.pdf file:///C:/Users/HP/Desktop/eewwww/Semmelweis%20Entrance%2
SEMMELWEIS ENTRANCE EXAM MEDICINE
BIOLOGY
1. What are carbohydrates and lipids?
ANS Organic compounds that are mostly com-posed of three types of atom; carbon,
hydrogen and oxygen
2. What do carbohydrates do?
ANS provide energy, in the form of sugars like glucoseand fructose, but they also make up
structures like cellulose, which form the cell wallof plant cells
3. What type of carbohydrate is the most important source of energy?
ANS mono-,di- and poly-saccharides
4. What are mono and disaccharides?
ANS polar and soluble in water
5. What are polysaccharides?
ANS Macromolecules resulting from polymerisation(condensation) of sugars and are
not soluble in water
6. Examples of monosaccharides
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,Semmelweis Entrance Exam Medicine Biology.pdf file:///C:/Users/HP/Desktop/eewwww/Semmelweis%20Entrance%2
ANS ribose, glucose, fructose, galactose
7. What forms a disaccharide?
ANS two monosaccharides linked together by conden-sation reactions with glycosidic
bonds releasing one H2O molecule
8. Alpha glucose structure
ANS
9. Beta glucose structure
ANS
10. Examples of Polysaccharides
ANS cellulose, glycogen and starch
11. Monomer of Sucrose
ANS glucose and fructose
12. monomer of maltose
ANS glucose and glucose
13. monomer of lactose
ANS glucose and galactose
14. monomer of starch
ANS glucose
15. monomer of glycogen
ANS glucose
16. monomer of cellulose
ANS glucose
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17. In animals, what carbohydrate stores energy?
ANS glycogen
18. What jobs do carbohydrates have other than storing energy?
ANS structuralcomponents
19. What differs the polysaccharides all made up of glucose?
ANS they differ in thearrangement of glucose molecules and position of the glycosidic
bonds
20. Starch arrangement
ANS amylopectin branched, amylose linear
21. What is galactose?
ANS a sugar in milk
22. What is fructose?
ANS a sugar found in fruit and honey
23. Main characteristic of lipids?
ANS little to no affinity to water, mostly hydrophobic
24. What are the simple forms of lipids?
ANS fat, oil and wax
25. What are lipids characteristics in different solvents?
ANS they are non-polar andinsoluble in water, but soluble in organic solvents
26. What are triglycerides?
ANS the main group of lipids. They are formed by conden-sation reactions between one
glycerol and three fatty acids, creating ester bonds
27. What are the main types of triglycerides?
ANS fats and oils. Fats are solid and oilliquid at room temp
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