BOT 1010L Lecture Notes - Lecture 14: Straight Edge, Xylem, Cytokinin

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13 Nov 2017
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Compound leaf the leaf is divided into leaflets. If leaflets further divided, it is said to be double compound. To determine what kind of leaf you have, look for auxiliary bud. Leaf tips i. e acute, acuminate, bristle-tipped, truncate and obtuse. Acute leaf tip pointed tip acuminate leaf tip a long narrow pointed tip bristle tip leaf truncate leaf tip squared tip obtuse leaf tip rounded tip. Respiration the break down and utilization of food by the plant. Sugars and oxygen are broken down into carbon dioxide, water, and energy. This pulls water and minerals up through the xylem from the roots. Hormones a substance that is produced in one place and acts at another. The major plant hormones are auxins, gibberellins, cytokinins, ethylene, and abscisic acid. Auxins a group of hormones that stimulate cell growth and direct the development of lateral meristems. Also promote growth of lateral and adventitious roots. They are produced at meristems in terminal buds.

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