Maximum insulin secretion plant responses to the

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__________ % maximum insulin secretion Plant responses to the environment 7a. How does an increase in auxin increase cell elongation in the shoot elongation zone? A sketch of the cell might help. 7b. How does auxin cause an inhibition of elongation at high concentrations?
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Bi212 Homework #4 Due Wednesday of week 9 @2pm page 4 7c. How does an auxin molecule enter a cell during polar auxin transport? How does it exit that cell? 8. What response can be generated by shining additional far red light on plants during the day? 8. Josh wants to give Hadas an Alaskan Iris he has grown for her for a Valentine gift, but he is worried that it will not flower in time. The day lengths in the time he has left before Valentines day is around 10 hours/day, as shown above. i. If the Alaskan Iris is a 12 hour short day plant, will it flower if Josh provides an additional flash of red light at the time indicated? YES NO ii. If the Alaskan Iris is a 16 hour short day plant, will it flower if Josh provides an additional flash of red light at the time indicated ? YES NO iii. If the Alaskan Iris is a 8 hour short day plant, will it flower if Josh provides an additional flash of red light at the time indicated ? YES NO iv. If the Alaskan Iris is a 8 hour long day plant, will it flower if Josh DOESN’T provide an additional flash of red light at the time indicated ? YES NO v. Sketch in the CO thresholds of 8 and 16 hour long day plants 4 8 12 16 20 24 LIGHT DARK light flash
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Bi212 Homework #4 Due Wednesday of week 9 @2pm page 5 Numbers refer to values in each subset of the elongation zones 9a. What is the auxin concentration in subsets of c and d of the root elongation zone if the rate of elongation in roots is 40% of maximal when there is no directional stimulus?
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