macronucleus वाक्य
उदाहरण वाक्य
मोबाइल
- As in most ciliates ( with the exception of the Karyorelictea ) the macronucleus splits, during division, and the micronuclei also undergo mitosis.
- "Dileptus " bodies are typically narrow or cylindrical, and have a macronucleus made up of more than a hundred scattered nodules.
- The ciliated protozoan Tetrahymena is a useful research model for studying nuclear dimorphism; it maintains two distinct nuclear genomes, the micronucleus and the macronucleus.
- As a ciliate, " C . uncinata " has cilia covering its body and a dual nuclear structure, the micronucleus and macronucleus.
- Ciliates contain two nucleus types : a macronucleus that is primarily used to control metabolism, and a micronucleus which performs reproductive functions and generates the macronucleus.
- Ciliates contain two nucleus types : a macronucleus that is primarily used to control metabolism, and a micronucleus which performs reproductive functions and generates the macronucleus.
- During sexual conjugation, haploid micronuclear meiotic products from both parental cells fuse, leading to the creation of a new micro-and macronucleus in progeny cells.
- Food vacuoles 2 ) micronucleus 3 ) oral groove 4 ) gullet 5 ) anal pore 6 ) contractile vacuole 7 ) macronucleus 8 ) cilia . ]]
- In " Tetrahymena ", the micronucleus has 10 chromosomes ( 5 per haploid genome ), while the macronucleus has over 20, 000 chromosomes.
- The exception to this is the minichromosome encoding the rDNA, which is massively upregulated, existing at a copy number of approximately 10, 000 within the macronucleus.
- Ciliates are also capable of sexual reproduction, and utilize two nuclei unique to ciliates : a macronucleus for normal metabolic control and a separate micronucleus that undergoes meiosis.
- Furthermore, it is well to remember that ciliates possess a mechanism for adjusting copy numbers of individual genes during amitosis of the macronucleus . ( Prescott, 1994)
- There is apparently little, if any, DNA damage in the new macronucleus, suggesting that rejuvenation is associated with the repair of these damages in the micronucleus during meiosis.
- This species can be distinguished from its congeners by its large body size and the shape of the macronucleus; this species'micronucleus is located situated in a small macronuclear concavity.
- Unlike most other eukaryotes, ciliates have two different sorts of nuclei : a tiny, diploid micronucleus ( reproduction ), and a large, polyploid macronucleus ( general cell regulation ).
- However, if that IES is deleted from the developing macronucleus, it is type E mating type . " Paramecium " can only mate with individual of opposite mating type.
- However, the macronucleus is only propagated from one cell to the next during the asexual, vegetative stage of the life cycle, and so it is never directly inherited by sexual progeny.
- This species can be distinguished from its congeners by its large body size and the shape of the macronucleus . " M . rex " exhibits up to 30?m-long endosymbiotic bacteria.
- The macronucleus of " Pseudomonilicaryon " is arranged like a string of beads, whereas that of " Dileptus " is composed of small nodules scattered throughout the cytoplasm of the cell.
- During either of these processes the micronuclei of the cell ( s ) undergo meiosis, the old macronucleus disintegrates and a new macronucleus is formed by replication of the micronuclear DNA that had recently undergone meiosis.
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