Based on the observations of Went and others, you hypothesize that light does not affect the...
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Based on the observations of Went and others, you hypothesize that light does not affect the amount of auxin produced in the coleoptile tip. You further hypothesize that light causes Cdes y auxin to move from the illuminated side to the shaded side of the tip. To test your hypothesis, you set up the following experiment. dark light light plastic sheet plastic sheet completely divides agar and tip plastic sheet completely divides agar, partially divides tip s agar and tip Adapted from Biological Science by Freeman e Pearson Education, Inc. • In tips A and B, the tip and the agar beneath it are both divided by a piece of plastic that permits light to pass through but is impermeable to water-soluble compounds such as auxin. (The plastic was inserted into the tips and agar in the dark.) • In tip C, the plastic completely divides the agar, but only partially divides the coleoptile tip. (Again, the plastic was inserted in the dark.) • Tip A is kept in the dark, while tips B and C are illuminated with directional light as shown. Based on Went's experiments, agar blocks 1 and 2 should contain the same amount of auxin. Assuming that your hypothesis is supported, sort the remaining agar blocks according to whether you would expect them to have less auxin, the same amount of auxin, or more auxin than blocks 1 and 2. Based on the observations of Went and others, you hypothesize that light does not affect the amount of auxin produced in the coleoptile tip. You further hypothesize that light causes Cdes y auxin to move from the illuminated side to the shaded side of the tip. To test your hypothesis, you set up the following experiment. dark light light plastic sheet plastic sheet completely divides agar and tip plastic sheet completely divides agar, partially divides tip s agar and tip Adapted from Biological Science by Freeman e Pearson Education, Inc. • In tips A and B, the tip and the agar beneath it are both divided by a piece of plastic that permits light to pass through but is impermeable to water-soluble compounds such as auxin. (The plastic was inserted into the tips and agar in the dark.) • In tip C, the plastic completely divides the agar, but only partially divides the coleoptile tip. (Again, the plastic was inserted in the dark.) • Tip A is kept in the dark, while tips B and C are illuminated with directional light as shown. Based on Went's experiments, agar blocks 1 and 2 should contain the same amount of auxin. Assuming that your hypothesis is supported, sort the remaining agar blocks according to whether you would expect them to have less auxin, the same amount of auxin, or more auxin than blocks 1 and 2.
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Assumptions 1 Light does not promote auxin biosynthesis 2 Light does not p... View the full answer
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Financial Accounting an introduction to concepts, methods and uses
ISBN: 978-0324789003
13th Edition
Authors: Clyde P. Stickney, Roman L. Weil, Katherine Schipper, Jennifer Francis
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