Laboratory Management Principles and Functions
Q: The Administrative Management theory was first formulated by:
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True. This statement highlights the sophisticated biology of ciliates like Balantidium coli. These organisms exhibit nuclear dimorphism: a large, polyploid macronucleus that controls everyday cellular functions (metabolism, growth, and reproduction via binary fission) and a small, diploid micronucleus that is the repository of the organism's full genome. During sexual reproduction via conjugation, two trophozoites come together. Their micronuclei undergo meiosis to form haploid gametic nuclei, which are then exchanged between the two cells. The exchanged nuclei fuse, forming a new diploid micronucleus. This genetic recombination increases genetic diversity within the population. The old macronucleus disintegrates, and a new one is generated from the new micronucleus. Thus, the micronucleus is indeed the seat of genetic exchange and inheritance.
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