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What role does meiosis play in sexual reproduction? What is the objective of meiosis? What mechanism(s) in meiosis allow this to occur? Why is meiosis necessary for sexually reproducing organisms? What is the purpose or purposes of mitosis?
obtain and use energy, exchange materials, make new cells, and eliminate wastes. q7 7. what role does liver play in homeostasis? our liver plays a vital role in blood glucose homeostasis. when the blood glucose level rises after a meal, the liver removes glucose from the blood and stores ...
What is the role of the nucleus in cell division? The Nucleus: In eukaryotic cells, the nucleus holds the DNA. DNA is arranged in long strands, each being called a chromosome. The normal human nucleus has 46 chromosomes. These chromosomes are identical in each cell, thanks to the process ...
When the cell divides, each daughter cell has one replicated copy of all 23 chromosomes, rather than the daughter chromosomes created in mitosis. Meiosis I, then, does not involve pulling chromosomes apart at their centromeres; all 46 centromeres remain intact at the onset of meiosis II. ...
Despite recent major advances in developing effective vaccines against toxoplasmosis, finding new protective vaccination strategies remains a challenging and elusive goal as it is critical to prevent the disease. Over the past few years, various experimental approaches have shown that developing an effectiv...
Centrosomes play a crucial role in determining cell polarity. 10 Centromere The size and sequence of centromeres can vary significantly among organisms. Yeast centromeres are relatively small, while human centromeres are much larger. 7 Centrosome The structure and function of centrosomes are more co...
All the physical and chemical laws that are known to play an important part in the life of organisms are of this statistical kind; any other kind of lawfulness and orderliness that one might think of is being perpetually disturbed and made inoperative by the unceasing heat motion of the atoms...
(b) What role do they play in sexual reproduction?Cells:There are several physiological processes occurring within a living cell, one of these is the process of cell division. This process is present only in the bodies ...
Kinetochores also play an important role in the cell's spindle assembly checkpoint. During thecell cycle, checks are made at certain stages of the cycle in order to ensure that proper cell division takes place. One of the checks involves making sure that the spindle fibers are correctly attache...