AsterQuiz Asynchronous No. 3 - Biology IOnline version Biomolecules by Jenny Secang 1 What are biomolecules? a Inorganic compounds found in rocks b Chemicals made only in laboratories c Organic compounds made by living things 2 Biomolecules are also called _____. a Biochemicals b Elements c Minerals 3 Which of the following is a major element found in biomolecules? a Silver b Gold c Carbon 4 Which group represents the four major classes of biomolecules? a Carbohydrates, lipids, proteins, and nucleic acids b Acids, bases, salts, and metals c Water, minerals, vitamins, and salts 5 Which biomolecule is one of the main sources of energy for living organisms? a Carbohydrate b Protein c Lipid 6 Carbohydrates consist mostly of _____. a Carbon, nitrogen, and sulfur b Calcium, sodium, and potassium c Carbon, hydrogen, and oxygen 7 What are the three classifications of carbohydrates? a Mono-, di-, and polysaccharides b Saturated, unsaturated, and trans c Simple, mixed, and complex 8 Which of the following is a monosaccharide? a Sucrose b Glucose c Maltose 9 Which sugar is commonly known as blood sugar? a Glucose b Maltose c Fructose 10 Which sugar is primarily found in honey and some fruits? a Lactose b Fructose c Sucrose 11 Disaccharides consist of _____. a Two monosaccharides b One monosaccharide c Three fatty acids 12 Which of the following is a disaccharide? a Sucrose b Glucose c Fructose 13 Which carbohydrate is commonly found in bread, potatoes, and pasta? a Starch b Lactose c Sucrose 14 Which polysaccharide is indigestible and found in fruits, vegetables, beans, and nuts? a Glycogen b Cellulose c Maltose 15 Which polysaccharide is stored in the liver and serves as a reservoir of readily available glucose? a Glycogen b Sucrose c Cellulose 16 The word lipid comes from the Greek word lipos, meaning _____ a Sugar b Fat c Water 17 Which of the following is a function of lipids? a Formation of amino acids b Storage and provision of energy c Storage of genetic information 18 Triglycerides or triacylglycerols are made up of _____. a One glycerol and three fatty acids b Three glycerol and one fatty acid c One glucose and three amino acids 19 Which type of fatty acid has predominantly single bonds? a Nucleic acid b Saturated fatty acid c Unsaturated fatty acid 20 Which lipid forms part of the structure of the cell membrane? a Glycogen b Phospholipid c Glucose 21 Which of the following is an example of a steroid? a Glycogen b Starch c Cholesterol 22 Proteins are also known as _____. a Polynucleotides b Polysaccharides c Polypeptides 23 Which of the following is an important function of enzymes? a Carrying out chemical reactions in cells b Storing genetic information c Forming starch 24 Nucleic acids are large molecules used for the storage and transmission of _____. a Genetic information b Fat c Water 25 Which of the following is a nucleic acid? a DNA b Cholesterol c Starch
