You've Found a Sound File from the Clip Art Pane

question 22

Multiple Choice

You've found a sound file from the Clip Art pane and you want to listen to it, now what?

• A) Click the bar on the right side of the clip and select Preview / Properties
• B) Simply click the sound clip result
• C) Double-click the sound clip you want to hear
• D) Click the bar on the right side of the clip and select Play

Understand the concept of source and sink in plant translocation and how it affects the distribution of nutrients.

Understand the energy requirements for loading and unloading in the apoplastic and symplastic pathways.

Explain the process of sugar transport from the mesophyll cells through the phloem.

Describe the pressure flow model of translocation and its dependence on pressure gradients.

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Definitions:

Embryo

Stage of a multicellular organism that develops from a zygote before it becomes free-living; in seed plants, the embryo is part of the seed.

Vascular Tissue

Specialized tissue in plants that conducts water and nutrients through the plant body, comprising mainly of xylem and phloem.

Seed

Mature ovule that contains an embryo, with stored food enclosed in a protective coat.

Vascular Plants

Plants that have specialized structures for conducting water and nutrients throughout the organism, including ferns, gymnosperms, and angiosperms.