biomolecules

Question 1

monomer and polymer e.g.of fatty acids

Answer 1

monomer -stearic acid

polymer: triacylglycerols, phospholipids

Question 2

biomolecules in body

Answer 2

main: sugars, nucleotides, fatty acids, amino acids
other biomolecules: cholesterol/steroid hormones, vitamins (niacin, folic acid), co-factors (NADH, coenzyme A), xenobiotics

Question 3

describe properties of carbohydrates

Answer 3

• hydrophilic, polar
• general formula (CH2O)n
• energy source or storage
• part of bacterial cell wall
• cell surface proteins often glycosylated

Question 4

difference between aldose and ketose

Answer 4

isomers, same chemical formula

• aldose contain aldehyde group, glucose
• ketoses contain kept group, fructose
• humans use D-sugars