vegetative cell वाक्य
उदाहरण वाक्य
मोबाइल
- Vegetative cells can either by unicellular or muriform ( septate in all planes ) or become divided by transverse septa only.
- A homothallic strain of Closterium forms selfing zygospores via the conjugation of two sister gametangial cells derived from one vegetative cell.
- In terms of cell cycle, binucleate ) zygote that develops into an auxospore ( from which full-sized vegetative cells are produced ).
- These fuse to produce a zygote which expands in size to develop into an auxospore from which full-sized vegetative cells are produced.
- "' Tetanus toxin "'is an extremely potent neurotoxin produced by the vegetative cell of " Clostridium tetani " in anaerobic conditions, causing tetanus.
- The vegetative cell then produces the pollen tube, a tubular protrusion from the pollen grain, which carries the sperm cells within its cytoplasm.
- "Drynaria " also naturally exhibits apospory, the production of a gametophyte not from spores, but directly from the vegetative cells of the sporophytes.
- The lack of photosystem II prevents heterocysts from photosynthesizing, so the vegetative cells provide them with carbohydrates, which is thought to be sucrose.
- Vegetative cells with a cup-shaped chloroplast containing one pyrenoid; a large anterior eyespot; two cilia of equal length with two contractile vacuoles at their base.
- The lack of photosystem II would normally prevent it from photosynthesizing, but the vegetative cells provide the necessary carbohydrates, which is thought to be sucrose.
- The powder was heavily contaminated, they said, with what biologists call vegetative cells _ anthrax bacteria before processing in the lab turns them into hardened spores.
- Vegetative cells of diatoms are diploid ( 2N ) and so meiosis can take place, producing male and female gametes which then fuse to form the zygote.
- They will germinate within a day or two with the right environmental conditions, and then the vegetative cells, not as hardy as endospores, can be straightforwardly destroyed.
- In response to a hormogonium-inducing factor ( HIF ) secreted by plant hosts, cyanobacterial symbionts differentiate into hormogonia and then dedifferentiate back into vegetative cells after about 96 hours.
- "Z . bailii " vegetative cells are usually ellipsoid, non-motile and reproduced asexually by multilateral budding, i . e . the buds can arise from various sites on the cells.
- Vascular plants have two sets of chromosomes in their vegetative cells and are said to be diploid, i . e . each chromosome has a partner that contains the same, or similar, genetic information.
- The unicellular green alga, " Chlamydomonas reinhardtii " grows as vegetative cells in nutrient rich growth medium, but depletion of a source of nitrogen in the medium leads to gamete fusion, zygote formation and meiosis.
- Astrophysicist Steinn Sigurdsson said " There are viable bacterial spores that have been found that are 40 million years old on Earth and we know they're very hardened to radiation . " Common anti-bacterial agents that work by destroying vegetative cell walls do not affect endospores.
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