1) What food is the primary source of carbohydrates? a) Legumes b) Rice c) Salmon d) Tofu 2) Which nitrogenous nucleotide is found in RNA but lacking in DNA? a) Adenine b) Guanine c) Thymine d) Uracil 3) Which carbohydrate type has prebiotic properties that encourage the growth of good bacteria in the digestive system? a) Disaccharide b) Monosaccharide c) Oligosaccharide d) Polysaccharide 4) See the example below; which molecule does the picture on the right represent?  a) Carbohydrate b) Lipid c) Nucleic Acid d) Protein 5) Which of the following foods contains the most lipids? a) Cake b) Chocolate c) Milk d) Rice 6) Which biomolecule is responsible for storing genetic information? a) Carbohydrates b) Lipids c) Nucleic Acids d) Proteins 7) Which of the following is NOT a correct match? a) arbohydrates – monosaccharide b) Lipids- steroids c) Nucleic acid-nucleotide d) Protein- amino acid 8) Which of the following components are found in lipids but not in protein? a) Hydrogen b) Nitrogen c) Phosphorus d) Sulfur 9) What roles do lipids NOT play in our bodies? a) Store energy b) Acts as hormones c) Protects our internal organs d) Make up part of our cell 10) Which among the following is incorrect about different saccharides? a) Saccharides are also classified as ketose and aldose b) Starch can be digested, whereas cellulose can’t be digested c) Most of the polysaccharides are sweet in taste and, therefore, are also called sugar d) Polysaccharides are used to store food, whereas most monosaccharides are used for instantaneous energy 11) How would you interpret the biomolecules consumed based on the Nutritional Facts Label consumed based on the Nutritional Facts a) There were no carbohydrates ingested because there were zero milligrams of sugar. b) There is a greater consumption of carbohydrates than lipids. c) Consumption of protein exceeds that of lipids and carbohydrates. d) A higher proportion of fat than carbohydrates is eaten. 12) Which is a correct pair of examples of protein and its function? a) Enzymes: serve as antibodies. b) Collagen: transmit signals within cell c) Actin and myosin: kill bacteria and viruses. d) Hemoglobin: helps regulate blood sugar levels. 13) Which statement about DNA and RNA is TRUE? a) DNA and RNA strands are parallel b) DNA has thymine, while RNA has uracil c) DNA and RNA are both double-stranded. d) DNA has ribose sugar, while RNA has deoxyribose sugar 14) Choose the INCORRECT statement regarding proteins. a) The hormone insulin is a protein. b) The protein collagen is not structural. c) Proteins compose the virus's capsule. d) Some viruses have proteins as their genetic material. 15) Suppose you had a friend who wanted to avoid eating fats. What functions of lipids could you describe to convince her that fats are essential to her health? a) Fats keep our bodies cold. b) Fat gives shape to the body. c) A diet high in saturated fat can accumulate cholesterol in your blood vessels or arteries. d) Fats are the most significant energy source for our bodies, and brain cells only use fats for energy, and she would become vitamin/mineral deficient without some fats. 16) You are a volleyball player in your school. After completing your match, how will you regain your energy quickly? a) I need to rehydrate by drinking coffee. b) Eat banana with peanut butter c) Eat heavy and greasy meals d) Sleep immediately. 17) Choose the significant function of carbohydrates. a) 1 only b) 2 only c) 1&2 only d) 1&3 only 18) How are carbohydrates an essential constituent of plant cells? a) The starch is their food. b) The glycogen is their energy storage. c) The cellulose is their cell wall support d) The chitin as their structural framework. 19) Lawrence wants to eat food that is high in energy before he starts training for his tennis competition. Which of the following types of food will give him the most energy per pound? a) Carbohydrate b) Fat c) Protein d) Sugar 20) You are tasked to create a drawing of the DNA double strand. How would you arrange its strand? a) Sketch the strand coiled differently. b) Sketch the strands coiled around each other. c) Sketch the strand coiled around a common axis. d) Sketch the strand coiled over the protein sheath.

BIOMOLECULES PRE TEST

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