Examlex
The pitch diameter of a gear can be thought of as the outside diameter of the friction wheel.
Mitosis
The process of cell division that results in two genetically identical daughter cells from a single parent cell, ensuring equal distribution of chromosomes.
Meiosis
A process of cell division that reduces the chromosome number by half, creating four haploid cells, each genetically distinct.
Endosymbiotic Theory
A theory suggesting that some organelles, such as mitochondria and chloroplasts, were originally free-living bacteria that were taken inside another cell.
Organelles
Organelles are specialized structures within a cell that perform distinct functions, such as the mitochondria for energy production and the nucleus for genetic information storage.
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