Plant Biology

1. leaf blade that attaches directly to stem; lack of a petiole
5. perennial plant that reproduces from seed and vegetative structures
6. protoplasmic channels that pass through cell walls to connect cells
10. seed leaves, important for energy storage in dicots
12. horizontal underground stem
13. meristematic tissue that increases the length of stems in grasses
16. mesophyll cells in the lower half of a leaf cross section important for photosynthesis
17. meristem tissue located at the top of the shoot or near the end of a root
18. membrane which encloses the cytoplasm of a cell
19. waxy layer covering above-ground surfaces of plants

2. specialized layer of cells that encircles the stele, regulates the movement of molecules into the vascular tissue
3. bodies responsible for producing new plasma membrane
4. a xylem cell which is long, slender, and tapered at the ends
5. a new plant that has the same genetic makeup as the parent plant
7. primary vascular structure of a stem or root
8. ear-like lobes at the base of a leaf blade that wrap around the stem
9. a plant that has repeated periods of reproduction
11. above-ground portions of the plant
14. pathway for movement of water and minerals through the plant, includes xylem, cell wall, and
15. spaces