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DAT Practice Test Questions and Answers

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apoptosis - ANSWER mediated cell death Change salt concentrations or pH - ANSWER how to remove a peripheral protein add a detergent - ANSWER how to remove an integral protein a light centrifu ... ge - ANSWER precipitate out cells or nuclei a heavy centrifuge - ANSWER extract small, soluble proteins ammonia, methane, water, hydrogen - ANSWER the Miller-Urey experiment used... muscle cells - ANSWER microfilaments are found in... turgid - ANSWER means it becomes swollen plasmolysis - ANSWER means it become shrunken spine - ANSWER the notochord becomes the... poikilothermic - ANSWER another word for heterothermic zona pellucida - ANSWER what binds the sperm phrenology - ANSWER the study of the contours of the brain vectors - ANSWER these do gene-splicing cladogram - ANSWER determines if organisms are related, but not based on genes gel electrophoresis - ANSWER determine molecular similarity karyotype - ANSWER tells the size, shape, and number of chromosomes PCR - ANSWER used to clone Northern blotting - ANSWER studies RNA messages and gene expression DNA fingerprinting - ANSWER keeping individual's DNA on file p + q = 1 (p + q)^2 = 1 p^2 = homozygous recessive pp q^2 = homozygous dominant qq - ANSWER Hardy-Weinberg equilibrium equation brackish water - ANSWER mix between salt and fresh water eustary - ANSWER where fresh water meets salt water Deciduous forests - ANSWER do have winters, but they are not characterized as harsh or very snowy and this biome is known for having 4 distinct seasons each year. The savanna - ANSWER biome has small grasses, small shrubs, scattered trees, and have both dry and rainy seasons. The tundra biomes - ANSWER are best defined as regions that have short growing season, cold temperatures all year round and have a layer of permafrost over the soil. The taiga biome - ANSWER has long, cold winters and very short rainy seasons, does have vegetation with most of the tree covering being provided by conifers like spruce, fir and pine trees. Tropical deserts - ANSWER are characterized as having extremely high temperatures with sporadic rainfall. [Show More]

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