Biological Molecules AQA A-level: Carbs, lipids, proteins

Many repeating monomers link together to produce

• The corona virus

• Polymer

• Multimer

• Amino acids

A polymer is made by...

• Evaporation

• Distillation

• Condensation

• Crystillisation

Monomers break down into polymers by

• Polymerisation

• Monomerisation

• Hydrolysis

• False

Using water to break bonds in a polymer

• Hydrolysis

• Photolysis

• Osmosis

• Osmolysis

Which atoms are found in a carbohydrate?

• C, H, N, P, O

• C, H, P

• O, H, C

• N, C, O

(60 seconds) Which statement is true about Isomers?

• Two or molecules have similar structural formula but different chemical formula

• Two or more molecules have the same chemical formula but different structural formula

• Two or more molecules have the same structural formula but different chemical formula

• Two or more formulas have the same molecular structure but different chemical molecules

Alpha glucose is different from Beta glucose because

• Alpha's carboxyl group on C1 is above the ring

• Alpha's hydroxyl group on C1 is above the ring

• Beta's carboxyl group on C1 is above the ring

• Beta's carboxyl group on C1 is below the ring

Two sugar monomers joined together...

• are called polysaccharides bonded by glycosidic bonds

• are called disaccharides boneded by glycose bonds

• are called polysaccharides bonded by glycose bonds

• are called disaccharides bonded by glycosidic bonds

The formation of a disaccharide occurs through...

• Hydrolysis

• Crystillisation

• Condensation

• Evaporation

______ test turns ________ when reducing sugars are added

• Benedict's, red

• Biuret, green

• Benedict's, violet

• Biuret, violet