Exam 2-Take-home Match each definition from column 1 to the correct term/phrase

Question

Exam 2-Take-home Match each definition from column 1 to the correct term/phrase from column 2 by writing the number in the blank. Each option is only used once, but not all terms are used. Abscisic Acid The distance along the stem between each leaf. Cytokinins 2. An extension of a single epidermal cell to increase water absorption. 0 Ethylene 3. A volatile signal produced by some plants that can effectively warn nearby plants of the same species of a potential harm. Gibberellins 4. Protects the root apical meristem as it grows and penetrates the soil. Internode ten eacin Lignin 5. Makes up the strong secondary cell oe walls of some xylem cells. Methyljasmonic Acid 6. Pressure exerted on the cell walls of healthy plants that maintains a leaf's shape. Node 7. The protein that is sensitive to red and far-red light wavelengths. Phytochrome 8. Water-transporting cells of the xylem. Root cap Plant hormone originally thought to lay a role in leaf detachment, that Root hair maintains seed dormancy and inhibits germination. Tracheids Plant hormone that actually primarily ontrols the loss of leaves, as well as fruit ripening. Turgor

Explanation / Answer

1- Internode

2- Root hairs are tiny extensions of the epidermal cells of the root which increase the surface area for better absorption.

3- The injured and wounded plants or plants which are being eaten by herbivores often release methyljasmonic acid or jasmonate in order to warn other plants of the species of potential danger.

4- The root cap is the tissue present at the tip of the roots. It protects the root apical meristem and allows it to penetrate deep into the soil without getting damaged.

5- Lignin

6- Turgor

7- Phytochrome

8- xylem is composed of xylem vessels and tracheids. The tracheids are responsible for the transport of water from the roots to the leaves.

9- Abscisic acid

10- Ethylene

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