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APBiologyBowlAnswerBank - K AC13 B 24 A.P Biology Bowl A...

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4 3 2 1 C B A K A.P. Biology Bowl Answer Bank 1. Many biologists think that a phylogenetic relationship exists between annelid worms and mollusks because both animals W. possess a segmented body X. Possess a centrally located visceral mass Y. Feature a ciliated larva called a trochophore in their life cycles * Z. Display cephalization 2. Which of the following functional groups represents a product of fermentation W. Carbonyl group C=O X. Hydroxyl group –OH * Y. Sulfhydryl group S-H Z. Carboxyl group -COOH 3. The rise of water in a plant stem is due primarily to W. Hydrotropism and companion cells X. Photolysis and chemiosmosis Y. Turgor pressure and membrane potential Z. Cohesion and transpiration* 4. Which of the following correctly describes retroviruses? W. They reproduce only in the cells of epithelial tissue X. They transfer genetic information from the RNA to the DNA of the cell*
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Y. They lack the enzyme reverse transcriptase Z. They transfer genetic information from their RNA to the ribosome in a cell 5. Some taxonomists have proposed adding a new taxon to the modern system of of biological classification that includes viruses. The inclusion of the new taxon is based on W. The chemical nature of the capsids X. Similarities in RNA nucleotides * Y. Differences in glycoproteins that envelop capsids Z. Their ability to alternate between hosts species 6. A hormone involved in digestion is W. Cholecystokinin * X. Enterokinase Y. Vasopressin Z. Enkephalin 7. Dolly, the cloned sheep, originated as a nucleus that was removed from an udder cell of a ewe an transplanted into W. The uterus of a surrogate ewe X. The ovum of a surrogate ewe Y. The enucleated ovum of a second ewe * Z. A blastocyst in vitro, and then transplanted into the uterus of a surrogate ewe 8. Which pair is actively involved in prothrombin production? W. Calcium ions and lipoproteins
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X. Ferrous ions and erythopoeitin Y. Kuppfer cells and thrombocytes Z. Vitamin K and colon bacteria * 9. Which organism has the highest reproductive rate as a result of its hermaphroditism? W. Bread mold X. Cycad tree Y. Earthworm * Z. Sea star 10. Which pair of animals occupy the same ecological niche, and are therefore called ecological equivalents? W. Zooplankton and trout X. Zebra and wild horse * Y. Rattlesnake and scorpion Z. Tiger and warthog 11. The part of a plant’s vascular system that uses companion cells to transfer nutrients to different parts of the plant is called the W. Xylem X. Phloem* Y. Tracheids Z. Casparian strip
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12. The plant hormone, abscissic acid, mainly influences W. Growth of stems and root tips* X. Production of ethylene gas Y. Aging of leaves Z. Regulation of turgor pressure by causing water to leave guard cells 13. The probable reasons for the low numbers of dead bacteria during the first 13 hour period are W. An adequate amount of oxygen and nutrient material* X. An adequate amount of oxygen and absence of amino acids Y. The absence of metabolic waste products and an accumulation of carbon dioxide Z. The absence of oxygen and an adequate amount of nutrient material 14.
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