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WebAll of these are correct. arrow_forward. The cell cycle control system is a cycling set of molecules in the cell that triggers and coordinates key events in the cell cycle. This is all … Web23. Eukaryotic chromosomes are thousands of times longer than a typical cell. Explain how chromosomes can fit inside a eukaryotic nucleus. The genetic material remains distributed in the nucleus, mitochondria, and chloroplast. The genome is present in a looped structure, thus it fits the size of the nucleus. cummins 1691
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WebPhotosynthesis uses light energy to convert carbon dioxide and water to energy-rich food making it the pathway by which both chemical nutrients and energy become available to … WebImmune checkpoints are regulators of immune activation. They play a key role in maintaining immune homeostasis and preventing autoimmunity. In cancer, immune checkpoint mechanisms are often activated to suppress the nascent anti-tumor immune response. This has led to the development of several checkpoint inhibitor antibody … WebWhen a cell’s DNA is damaged, a sensor protein activates p53, which halts the cell cycle at the G 1 _1 1 start subscript, 1, end subscript checkpoint by triggering production of a cell-cycle inhibitor. This pause buys time for DNA repair, which also depends on p53, whose second job is to activate DNA repair enzymes. eastwood 200 tig welder manual