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 23:50
Differentiation of cells changes the nucleic information. true false
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Biology, 22.06.2019 00:00
Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.
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Biology, 22.06.2019 00:30
Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?
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Biology, 22.06.2019 02:00
The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food
Answers: 3
Ms. green's biology students were studying cellular respiration. using baking yeast to test the rate...
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