Principles of Biology
Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 29.2, Problem 1CC
Summary Introduction

To write:

The role of auxin carriers to allow auxin to move upward in roots.

Introduction:

Plant hormone auxin is produced in the stem, bud and root tips help to promote stem elongation, inhibits the growth of lateral buds. The chemical substance helps in regulating the action of certain cells.

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How could auxin carriers be organized to allow auxin to move upward in roots?
Is it true that in the gravitropic response of horizontal roots, high auxin concentration on the upper side impede growth while decreased auxin level on the lower side stimulates growth?
How does the signal transduction pathway for auxin that leads to cell wall loosening. Include the receptors ABP and ARF. How does the auxin pathway possibly differ from the 'generic' signal transduction pathway? Consider expressing the cellular components that differ in the absence and presence of auxin.
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