protonema sentence in Hindi
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- He directly observed the germination of spores and formation of the protonema.
- The tip continues to divide new cells, which produces a thalloid protonema.
- Instead, they regenerate directly into the filamentous protonema, mimicking a germinating moss spore.
- In either case, the protonema is a transitory stage in the life of a hornwort.
- As a result of fertilization a protonema is formed, from which the sexually reproducing algae develops.
- From the protonema grows the adult gametophyte, which is the persistent and independent stage in the life cycle.
- Aside from this character, the unique branching, thallose ( flat and expanded ) protonema, and explosively rupturing sporangium place it apart from other mosses.
- It is the adult form of the haploid gametophyte and develops from the juvenile form, the protonema, under the influence of phytohormones ( mainly cytokinins ).
- To ensure a maximum growth rate, the moss is kept at the protonema stage by continuous mechanical disruption, e . g . by using rotating blades.
- Andreaeopsida and Andreaeobryopsida are distinguished by the biseriate ( two rows of cells ) rhizoids, multiseriate ( many rows of cells ) protonema, and sporangium that splits along longitudinal lines.
- The life of a liverwort starts from the germination of a haploid spore to produce a protonema, which is either a mass of thread-like filaments or else a flattened thallus.
- The protonema is a transitory stage in the life of a liverwort, from which will grow the mature gametophore ( " gamete-bearer " ) plant that produces the sex organs.
- This is a transitory stage in the life of a moss, but from the protonema grows the gametophore ( " gamete-bearer " ) that is structurally differentiated into stems and leaves.
- Once the density of the culture has reached a certain threshold, the lack of nutrients and the increasing concentration of phytohormones in the medium triggers the differentiation of the protonema to the adult gametophyte.
- The moss life-cycle starts with a haploid spore that germinates to produce a protonema ( " pl . " protonemata ), which is either a mass of thread-like filaments or thalloid ( flat and thallus-like ).
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protonema sentences in Hindi. What are the example sentences for protonema? protonema English meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.