1) What food is not a source of carbohydrates? a) Pasta b) Potatoes c) Rice d) Salmon 2) Which nitrogenous nucleotide is found in DNA but not in RNA? a) Adenine b) Cystosine c) Guanine d) Thymine 3) Which kind of carbohydrate promotes the growth of beneficial bacteria with probiotic characteristics in the digestive tract? a) Disaccharide b) Monosaccaharide c) Oligosaccharide d) Polysaccharide 4) What kind of biomolecule stores genetic information? a) Carbohydrates b) Lipids c) Nucleic Acid d) Proteins 5) Which of the following food has the highest lipid content? a) b) c) d) 6) Which of the following is the structure of proteins? a) b) c) d) 7) Which statement about DNA and RNA is NOT TRUE? a) DNA and RNA are both double-stranded b) DNA has thymine, while RNA has uracil c) DNA has deoxyribose sugar, while RNA has ribose sugar d) DNA and RNA strands are anti-parallel and complementary. 8) Which of the following is a CORRECT match? a) Amino acid- steroid b) Carbohydrates – monosaccharide c) Nucleic acid-phosphate d) Protein- nucleotide 9) Which of the following components are found in proteins but not in lipids? a) Hydrogen b) Nitrogen c) Phospohorous d) Sulfur 10) You had a friend trying to cut back on fat. Could you explain the role of lipids in helping her understand the importance of fats for her health? a) She would become vitamin and mineral-deficient without certain fats because fats are the body's primary energy source, and brain cells can only utilize lipids for energy. b) Consuming much-saturated fat can cause cholesterol to build up in your arteries or blood vessels. c) Our bodies are kept cold by fat. d) The body gains shape from fat 11) Which of the following statements on the different saccharides is not true? a) Saccharides are also classified as ketose and aldose. b) Starch can be digested, whereas cellulose can’t be digested. c) Since most polysaccharides have a sweet flavor, they are also called sugars d) While most monosaccharides are used for immediate energy, polysaccharides are used to preserve food. 12) What role do lipids play in our bodies? a) Store energy b) Acts as catalyst c) Regulate body movement d) Body's defense mechhanism 13) How would you explain the amount of biomolecules taken according to the Nutritional Facts Label?  a) A higher proportion of fat than carbohydrates is eaten. b) No carbohydrates were ingested because there were zero milligrams of sugar. c) There is a greater consumption of carbohydrates than lipids. d) Consumption of protein exceeds that of lipids and carbohydrates. 14) Which is NOT a correct pairing of proteins and its function? a) Enzymes: serve as antibodies. b) Actin, Myosin: for muscle contraction and movement c) Collagen: gives connective tissues strength and structure. d) Hemoglobin: transports oxygen and nutrients in the bloodstream. 15) Choose the CORRECT statement regarding proteins. a) The protein insulin is structural. b) The hormone myosin is a protein. c) Proteins are composed the virus's capsule. d) Enzymes are proteins that compose bacteria. 16) In what way does carbohydrates play a vital role in plant cells? a) The chitin as their structural. b) The cellulose is their cell wall support. c) The glycogen is their energy storage. d) The starch is their food. 17) Before Lawrence begins preparing for his tennis match, he wants to consume foods high in energy. What kind of food will provide him with the most energy per pound among the following? a) Carbohydrate b) Fat c) Protein d) Sugar 18) Your work is to sketch the double strand of DNA. How would its strand be arranged? a) Draw the strand coiled uniquely b) Draw the strands that are coiled around one another. c) Draw the thread wrapped around the protein sheath. d) Draw a diagram of the strand coiled around a common axis. 19) In your school, you play volleyball. How are you going to restore your energy after your match quickly? a) Rehydrate by drinking coffee. b) Eat banana with peanut butter. c) Eat heavy and greasy meals d) Sleep immediately. 20) Choose the significant function of carbohydrates. a) 1 only b) 2 only c) 1&2 only d) 2&3 only

BIOMOLECULES POST-TEST

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