SEMMELWEIS ENTRANCE EXAM CHEMISTRY EXAM PREP STUDY GUIDE PRACTICE QUESTIONS AND ACCURATE SOLUTIONS

SEMMELWEIS ENTRANCE EXAM
CHEMISTRY EXAM PREP STUDY GUIDE
PRACTICE QUESTIONS AND ACCURATE
SOLUTIONS

●● What do carbohydrates do?.
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?.
Answer: mono-, di- and poly-saccharides


●● What are mono and disaccharides?.
Answer: polar and soluble in water


●● What are polysaccharides?.
Answer: Macromolecules resulting from polymerisation (condensation)
of sugars and are not soluble in water


●● Examples of monosaccharides.
Answer: ribose, glucose, fructose, galactose

,●● What forms a disaccharide?.
Answer: two monosaccharides linked together by condensation reactions
with glycosidic bonds releasing one H2O molecule


●● Alpha glucose structure.
Answer:


●● Beta glucose structure.
Answer:


●● Examples of Polysaccharides.
Answer: cellulose, glycogen and starch


●● Monomer of Sucrose.
Answer: glucose and fructose


●● monomer of maltose.
Answer: glucose and glucose


●● monomer of lactose.
Answer: glucose and galactose

, ●● monomer of starch.
Answer: glucose


●● monomer of glycogen.
Answer: glucose


●● monomer of cellulose.
Answer: glucose


●● In animals, what carbohydrate stores energy?.
Answer: glycogen


●● What jobs do carbohydrates have other than storing energy?.
Answer: structural components


●● What differs the polysaccharides all made up of glucose?.
Answer: they differ in the arrangement of glucose molecules and
position of the glycosidic bonds


●● Starch arrangement.
Answer: amylopectin branched, amylose linear