Ms. green's biology students were studying cellular respiration. using baking yeast to test the rate of fermentation, student groups mixed yeast with different manipulated variables. the groups used the height of the carbon dioxide bubbles produced in a test tube to determine which variable(s) produced the highest rate of fermentation. students hypothesized that adding a sixth test tube would produce the greatest amount of carbon dioxide. a. boiled water. b. warm water, yeast, and salt. c. warm water, yeast, and lactose. eliminate d. boiled yeast and glucose.
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Biology, 21.06.2019 16:50
Pick twenty foods and research the amount of total carbohydrates, sugars, and other carbohydrates in them. note: most food labels have this information. record your findings.
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Biology, 22.06.2019 10:30
During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing
Answers: 2
Ms. green's biology students were studying cellular respiration. using baking yeast to test the rate...
History, 27.06.2020 19:01
History, 27.06.2020 19:01