macronucleus वाक्य
"macronucleus" हिंदी में macronucleus in a sentenceउदाहरण वाक्य
- It can be distinguished by having a globular macronucleus surrounded by many refractive granules and a big preoral dome.
- Known functions include : transporting phagosomes to the nucleus and perturbing the developmentally regulated elimination of the macronucleus during conjugation.
- Because the macronucleus divides amitotically during binary fission, these minichromosomes are un-equally divided between the clonal daughter cells.
- The macronucleus is long, and may be curved, horseshoe-shaped or twisted into a shape resembling a figure eight.
- Division of the macronucleus occurs by amitosis, and the segregation of the chromosomes occurs by a process whose mechanism is unknown.
- On the other hand, only the DNA in the macronucleus is actively expressed and results in the phenotype of the organism.
- The recent sequencing of the macronucleus genome should ensure that " Tetrahymena " will be continuously used as a model system.
- The polyploid nature of the macronucleus refers to the fact that it contains approximately 200 300 autonomously replicating linear DNA mini-chromosomes.
- The larger polyploid macronucleus is transcriptionally active, meaning its genes are actively expressed, and so it controls somatic cell functions during vegetative growth.
- In T . thermophila each of these minichromosomes encodes multiple genes and exists at a copy number of approximately 45-50 within the macronucleus.