BIOL 203 - Final Exam Study Guide Accurate 100%
What is the path of light through the compound microscope? - ANSWER Light source -- condenser -- specimen -- objective lens -- ocular lens The image from the objective lens is magnified again by the ocular lens. What are the steps of a gram-stain? - ANSWER 1) Primary stain (crystal violet) - 1 minute 2) Mordant (Gram's iodine) - 1 minute 3) Decolorizing agent (ethanol) - 5 seconds 4) Counterstain (safranin) - 1 minute *blot dry, not wipe What is this specimen? - ANSWER Streptococci "long chain of balls" What is the term for a group of 4 closely associated chromatids of homologous pairs formed by synapsis - ANSWER tetrad What are the cellular components of prokaryotic cells? - ANSWER Prokaryote - one circular chromosome, not in a membrane (smaller chromosome) - no histones - no organelles
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biol 203 final exam study guide accurate 100
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what is the path of light through the compound mi
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what are the steps of a gram stain answer 1 pr
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