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单词 Meristematic
例句
1. It is formed when parenchyma cells resume meristematic activity.
2. The nuclei were isolated from the root meristematic cells of Allium cepa and the nuclear matrices were prepared.
3. The meristematic cells of leaf primordium and the young leaf cells contain polymorphous protein bodies which are generally located in the internal side of vacuole membrane.
4. The paper discussed the change rule of meristematic nuclei and their relation with the intercellular rhizobia.
5. Competence A characteristic of embryonic cells and meristematic cells whereby they have the potential to differentiate into any of several different types of cell.
6. Embryogenic callus were formed in thesurface of meristematic tissue nodes.
7. Calyptogen A layer of meristematic cells covering the root apical meristem in some plants(e. g. grasses) that gives rise to and maintains the root cap.
8. The middle region was composed of meristematic tissue whose cells had high proliferative activity (Plate Ib).
9. Root growth is mainly determined by cell division and subsequent elongation in the root apical area. Components regulating cell division in root meristematic cells are largely unknown.
10. Potassium antimonate was employed to ultrastructurally locate calcium ions in seminal root apical meristematic cells of maize seedings subjected to flooding stress.
11. Companion cell An elongated thin walled cell cut off longitudinally from the same meristematic cell as the SIEVE ELEMENT with which it is closely associated.
12. Cytological observations showed that mesophyll cells were greatly enlarged, undergoing repeated cell divisions, then forming meristematic mass, from which buds were initiated.
13. The undulate plasmalemma or some invaginations of plasmalemma varied in size was observed in the meristematic cells.
14. The apical cell would develop into the head cells of peltate glandular hairs if the stalk cell kept meristematic and flat-shaped.
15. The para-nodule was composed of epidermis cells, cortex cells and meristematic cells.
16. The early stage of adventitious root or bud formation when differentiated cells are triggered to form new meristematic regions.
17. Effects of 1,2,4-Trichlorobenzene on the Chromosome Abnormalities in Root Meristematic Cells of A. sativum Seedlings.
18. When the seeds sprout,[http://] some individuals produce annularly inflated hair zones above early initial roots near root tip meristematic zones.
19. In this thesis, the chromosomes of the root tip meristematic cells of common wheat were treated by histochemistry methods to understand the reality and chemical nature of chromosome scaffold.
20. Mesophyll cell of leaf epidermis can single split into group meristematic cell, then more differentiation make it developed into adventitious bud on leaf margin.
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