Biology Lab Final Exam| 100 questions| with complete solutions
Whether in a gas, a liquid, or a semisolid, diffusion always occurs. correct answer: from high to low solute concentration Which dye would you predict to move the fastest (and thus go furthest in a given time period) through agar? correct answer: Potassium permanganate (mw= 158) The spreading out of molecular from a center of higher concentration is the result of correct answer: The random movements of molecules What determines the direction of diffusion? correct answer: concentration gradient In order for diffusion to occur, there must be a correct answer: Concentration gradient All other factors being equal, solute molecules diffuse most rapidly through correct answer: Air Which of the following explains the mechanism of diffusion? correct answer: Molecules spread randomly from areas of higher concentration to areas of lower concentration. Chambers A and B are place next to each other but are separated by a film permeable to both glucose and fructose. Chamber A contains 80% glucose and 60% fructose and Chamber B contains 20% glucose and 40% fructose. Wh
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biology lab final exam| 100 questions| with comple
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