Practice: 1- A lipid that is characterized by having 4 fused rings? - Steroid 2- The bond which forms between 2 monosaccharide is - Glycosidic linkage 3- A lipid that has hydrophilic head and hydrophobic tails? - Phospholipid 1-In aqueous solution sugars form.......... skeleton. A-liner B-rings C-branched D-unbranched Answer: B 2-Two monosaccharides are joined together in prosses known as ________ reaction. A-phosphorylation B-dephosphorylation C-dehydration D-oxidation Answer: C 3-the difference between the starch and cellulose is based on the type of: A- glucose B- glycogen C- galactose D- fructose Answer: A 3- The carbonyl group location in a monosaccharide determines: A-Aldehyde, ketone B-carboxyl group (OH) C- Polysaccharides Answer: A 4- the storage polysaccharide in plants is: A- Starch B- cellulose C-glycogen D- chitin Answer: A 6- all of the following are large molecules needed for living, but which one of them is not a true polymer? a) carbohydrates b) nucleic acid c) proteins d) lipids Answer: D 7- The polysaccharide that is responsible for storage in plant cell is? a) Glucose b) Starch c) Glycogen d) Cellulose Answer: B 1- Monosaccharide is classified according to: A- the location of the carbonyl group only B- the location of the carbonyl group and the number of bonds C- the location of the carbonyl group and number of carbons D-the number of carbons and the number of the bonds Answer: C 2- Identify the category of the lipid "cholesterol": A- Fats B- Steroid C- Phospholipid D- Glycerol Answer: B