Generative cell was destroyed by laser

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August undefined, 2024

WebThe generative cell may divide to form two sperm cells before the pollen grain (developing male gametophyte) is shed or while the pollen tube is growing during germination. The pollen grains of angiosperms have variously, and often elaborately, ornamented walls characteristic of the… seeds In seed: Angiosperm seeds WebOct 24, 2024 · Generative cell was destroyed by laser but a normal pollen tube was still formed because (a) vegetative cell is not damaged (b) contents of killed generative cell …

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Web( 1) (a) : Generative cell was destroyed by laser but a normal pollen tube was still formed because vegetative cell is not damaged. Each microspore divide by mitotic division … WebGenerative cell was destroyed by laser but a normal pollen tube was still formed because vegetative cell is not damaged. Vegetative cell determines and helps in growth of pollen tubes. 136 gfs pro generation training saddle

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WebGerm cell degeneration is common during testicular development and in adults and is a major factor in determining the efficiency of spermatogenesis in terms of the theoretic … WebThe generative cell is destroyed by laser but a normal pollen tube is still formed because 10 14 NTA Abhyas NTA Abhyas 2024 Report Error A the region of emergence of pollen … WebJan 1, 2008 · The generative cell divides and produces the two sperm cells, transported to the female gametes by the pollen tube produced by the vegetative cell. ... GFP was examined using the 488 nm excitation line of an argon laser and an emission filter long pass of 510 nm. Fluorescence of mRFP1 was examined using the 543 nm excitation line of a … christ surname

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Generative cell was destroyed by laser, but normal …

WebJan 1, 2001 · The generative cell and sperm spend their natural lives encased by the vegetative cell. The generative cell is formed at the first division of the microspore and divides in the pollen... WebQuestion:Generative cell was destroyed by laser but a normal pollen tube was still formed because (a) vegetative cell is not damaged. (b) contents of killed generative cell … gfs property servicesWebThe generative cell produces two sperm cells. While the vegetative cell produces the pollen tube. That helps to deliver the male gametes to the embryo sac. However if a laser beam kills the generative cell, it will be ineffective on the normal pollen tube formation. Thus, the correct answer is option D. Was this answer helpful? 0 0 gfs prime rib cooking instructions

"WebSep 27, 2024 · Clearly, diploid mother trees produced reduced pollen, as evidenced by the presence of 1 x vegetative and 2 x generative nuclei on FCM histograms ( Figure 4; mitosis of the generative cell has already occurred in mature binucleate pollen grain typical for Rosaceae [ 80, 87, 88 ]). " - Generative cell was destroyed by laser

Generative cell was destroyed by laser

The generative cell of a pollen grain was destroyed by laser but …

WebApr 9, 2024 · In other plants, pollen tube germination is arrested after growing one-third the length of the style, leading to pollen tube death. Pollen tube death is due either to apoptosis (programmed cell death) or to degradation of pollen tube RNA. The degradation results from the activity of a ribonuclease encoded by the S locus. WebGenerative cell was destroyed by laser but a normal pollen tube was still formed because(a) vegetative cell is not damaged(b) contents of killed generative c...

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WebGenerative cell was destroyed by laser, but a normal pollen tube was still formed because vegetative cell is not damaged. If generative cell is damaged then the normal pollen tube will be formed because pollen tube is formed by … WebVerified answer. biology. Movement of glucose from one side to the other side of the intestinal epithelium is a major example of transcellular transport. How does the \mathrm {Na}^ {+} / \mathrm {K}^ {+} Na+/K+ ATPase power the process?

WebGenerative cell was destroyed by laser but a normal pollen tube was still formed because vegetative cell is not damaged. Concept: Parts of Flower - Essential Parts of Flower: Androecium Report Error Is there an error in this question or solution? Video Tutorials VIEW ALL [3] view Video Tutorials For All Subjects WebMay 4, 2024 · The generative cell is contained within the larger pollen tube cell. When a pollen grain reaches the stigma, it germinates into a pollen tube. The generative cell migrates with the pollen tube to enter the ovary. During its transit inside the pollen tube, the generative cell divides to form two gametes (spermatia).

Webgenerative cell was destroyed by laser but a normal pollen tube was still formed because ??a. vegetative cell is not damaged b. content of killed generative cell stimulate pollen … WebGenerative cell was destroyed by laser, but normal pollentube was still formed because. A. Laser beam stimulates growth of pollen tube. B. Vegetative cell is not damaged. C. …

WebGenerative cell was destroyed by laser but a normal pollen tube was still formed because vegetative cell is not damaged. Vegetative cell determines and helps in growth of pollen … christ sweat bloodWebJun 17, 2024 · The generative cell divides to produce two sperm by mitosis. Figure 24.4. 1: Angiosperm pollen In the image above, you can see three pollen grains. In two of them, you can see the generative cell and the tube cell nucleus. Observe a prepared slide of a Lilium ovary cross section (pre-fertilization). A Lilium pistil consists of three fused carpels. christ sweat like drops of bloodWebMay 25, 2024 · Correct Answer: A Suggest Corrections Detailed Solution Generative cell was destroyed by laser but a normal pollen tube was still formed because vegetative … gfs prime rib reviewsWebGenerative cell was destroyed by laser but a normal pollen tube was still formed because:(a) vegetative cell is not damaged.(b) contents of killed generative... christ syllabusWebThey have conducting cells instead of tracheids. E. They have no H2O transport mechanisms. C. Grow to very large sizes. The development of tracheids helped land plants to do what? A. Resist desiccation. B. Protect the genome from UV exposure. C. Grow to very large sizes. D. Absorb H2O from stems and leaves. gfs price targetWebGenerative cells are mainly involved in serving as reproductive cells of the pollen grains. Hence, after pollination, they develop two sperm cells in the angiosperms, of which one sperm cell unites with the egg leading to the formation of … christ swayer noew gfsr acronym