In principle, the activated, GTP-bound form of Ras could be increased by activating a guanine nucleotide exchange factor (GEF) or by inactivating a GTPase-activating protein (GAP). Why do you suppose that Ras-mediated signaling pathways always increase Ras-GTP by activating a GEF rather than inactivating a GAP
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What type of specimens where you able to see under each of the microscopes in the microscope activity
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Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.
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This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement
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In principle, the activated, GTP-bound form of Ras could be increased by activating a guanine nucleo...
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