Biology 1-20

Which one is a disaccharide?

• maltose

• galactose

• chitin

• cellulose

• fructose

What group of compounds stores genetic information?

• amino acids

• cardohydrates

• lipids

• nucleic acids 

• inorganic compounds

What kind of monosaccharides is a part of nucleic acids?

• deoxyribose 

• glucose

• fructose

• galactose

• sucrose

A fat molecule consists of three fatty acids and one _____________.

• glycerol

• ribose

• phosphate group 

• hyrdoxyl group

• carboxyl group

One glycerol has three _________.

• carboxyl groups 

• hydroxyl groups

• phosphate groups

• fatty acids

• nucleotides

What kind of molecule is that?

• a phospholipid 

• a steroid 

• a nucleotide 

• a fat molecule 

• a glucose

What kind of molecule is that?

• nucleotide

• nitrogenous base

• ribose

• RNA

• DNA

What kind of molecule is that?

• saturated fatty acid

• unsaturated fatty acid

• hydrocarbon chain

• fat molecule

• steroid

What is true about these liquids?

• they consist of saturated fats 

• they are solid at room temperature 

• these compounds have double bonds

• they have animal origin

• they are carbohydrtes

Which one of these is not a lipid?

• wax

• fat

• phospholipid

• steroid

• glycogen