Plant Crossword

7. the protein part of the chromophore.
8. surface in which incoming pollen grain adheres too.
10. part of the axis of a plant embryo or seedling between the point of insertion of thecotyledon and the top of the radicle (root). In some etiolated seedlings, the hypocotyl is greatly extended.
11. A young, developing plant, such as the rudimentary plant inside the seed of higher plant forms or that inside the archegonium of mosses and ferns
12. the tough external wall a pollen grain is composed of.
14. nutritive tissue surrounding the embryo within seeds of flowering plants.A tissue found in manyseeds which supplies nutrients to the embryo.
15. a form produced when plants are exposed to light characterized by short embryonic stems, lose the apical hook, and develop expanded green cotyledons.
19. the above ground stem part of plant
20. that light absorbing part of the chromphore.
21. enzyme essential to initiationg meiotic recombination.
23. a protein that degrades other proteins through ubiquination.
25. a protein that phosphorylates other proteins.
27. protein in eukaryotes responsible for pairing of homologous chromosomes during meiosis.
28. the subepidermal cell that the female gametophyte originates from.
30. Undifferentiated tissue from which new cells are formed, as at the tip of a stem or root.
31. a period in which a plant does not grow,

1. experienced by plants that are grown in the dark and become etiolated.
2. a marker that signals for degradation of a protein.
3. a receptor stimulated by blue light that opens for co2 and o2 exchange.
4. detect and mediate responses to light in the blue and ultraviolet regions of the spectrum.
5. after separation from the vegetative cell, the generative cell divides again to form two of these.
6. the layer that surrounds the embryo sac and is part of the sporophyte.
9. responsible for blue-light-activated phototropism.
13. the place where pollen develops from the division of archesporial cell.
16. the intermediate between the diploid to the haploid phase of the life cycle.
17. a family of photoreceptors that responds to both blue and far-red light.
18. a condition that occurs when plants are exposed to more than enough light.
22. a layer of cells that secrete essential subsances to support pollen formation.
24. Facing away from the axis of an organ or organism; the abaxial surface of a leaf is the underside or sidefacing away from the stem.Pertaining to a leaf surface that is facing away from the stem.
26. the hormone that causes bending of the hypocotyl from accumulation of auxin on one side of the stem.
29. The primary or rudimentary leaf of the embryo of a seed plant that either remains in the seed or emerges upon seed germination; a modified leaf that is part of the plant embryo within the seed; a seedleaf.