Lecture%20Outline_March%2031

Lecture%20Outline_March%2031 - 1. Phloem loading- 2. Bulk...

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Lecture Outline – March 31 Transport of sugars & Secondary growth Terms Vascular Cambium- Secondary Xylem- Secondary Phloem- Cork Cambium- Periderm- Bark- Annual Ring- Concepts While water is transported without the use of ATP, transporting sugars requires active transport. Where does the active transport of sugars take place? We will discuss three phases of sugar transport, provide a brief summary of the three phases listed below (see page 780).
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Unformatted text preview: 1. Phloem loading- 2. Bulk flow via positive pressure- 3. Phloem unloading- The diagram is provided to assist our discussion of phloem transport Secondary growth occurs in some, but not all plants. What is secondary growth (see pages 751-754). Below is a diagram of a stem that has been growing via secondary growth. Label this diagram with the terms provided above. How are annual rings formed?...
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This note was uploaded on 04/06/2010 for the course BIOL 152 taught by Professor Niedenthal during the Spring '09 term at Kansas.

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Lecture%20Outline_March%2031 - 1. Phloem loading- 2. Bulk...

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