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Unformatted text preview: logous chromosomes. C) possible combinations of characteristics. D) sex chromosomes. 24. The alleles of a gene are found at ___ chromosomes. A) the same locus on homologous B) the same locus on non‐homologous C) different loci on non‐homologous D) different loci on homologous 25. The expression of both alleles for a trait in a heterozygous individual illustrates A) incomplete dominance. C) codominance. B) pleiotropy D) polygenic inheritance. 26. How many sex chromosomes are in human gamete? A) one C) three B) two D) four 27. The connection between structure and ________ is a basic concept of biology. A) species C) adaptation B) function D) sex 28. Smooth muscle is responsible for A) voluntary body activities. B) involuntary body activities. C) an athlete's ability to run a 100‐meter dash. D) the pumping action of the heart. 29. Structural and functional unit of nervous tissue is the A) dendrite. C) nerve. B) axon. D) neuron. 30. Digestion is the A) absorption of nutrients suspended in water. B) conversion of glycogen to glucose. C) churning of food in the stomach and intestine. D) breaking down of food into molecules small enough for the body to absorb. 31. What is the correct order of parts of human digestive system, from first to last contact with food matter? A) pharynx, oral cavity, stomach, large intestine B) esophagus, stomach, small intestine, large intestine C) oral cavity, stomach, large intestine, small intestine D) oral cavity, pharynx, esophagus, stomach, small intestine, large intestine 32. Digestion begins in the A) tongue. C) esophagus. B) oral cavity. D) stomach. 33. The secretory parietal cells of the stomach are responsible for producing A) mucus. C) hydrochloric acid. B) pepsin. D) lactic acid. 34. All animals must obtain ____ from outside sources. A) preformed ATP C) enzymes B) fuel to power body activities D) chyme BIO102 - FINAL EXAM 35. Reason animals need a supply of oxygen is to A) obtain energy from their food. B) dispose of carbon dioxide. C) carry out glycolysis. D) make carbon dioxide. 36. Maximum amount of air that a human can inhale and exhale is called the A) tidal volume. C) physiological volume. B) inhalation capacity. D) vital capacity. 37. The oxygen‐carrying component in red blood cells is A) hemoglobin. C) iron. B) bicarbonate ions. D) the cell membrane. 38. As blood moves away from the heart towards the tissues, the relative size of blood vess...
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