Eukaryotic cells coordinate dna replication with cell cycle so that the genome is copied once per cell division A. what happens during the licensing phase of orinal activation in which phase does licensing occur  what happens during firing phase of original activation in which phase does it occur

Upon learning about the mechanism of apoptosis, the question asked was; Is cytochrome c being released from mitochondria or is it being expressed by an induced nuclear gene and being produced in the cytosol. Which one of the following observations would provide the best evidence that it was being released from the mitochondria? Bcl2 blocks release of cytochrome c from mitochondria and also inhibits apoptosis Active Fas receptors trigger release of cytochrome c from mitochondria. Extracellular signals that block apoptosis do not produce cytosolic cytochrome c Caspase inhibitors block release of cytochrome c from the mitochondria

Artificially induced apoptosis (controlled cellular death) is found to be an effective treat- ment for some forms of cancer. Which of the following describes the most likely mechanism by which apoptosis might be induced? A B с D by causing ribosomes to increase the rate of protein synthesis by triggering the division of mitochondria in the cell to increase ATP production by increasing the expression of membrane-bound glucose protein channels by causing lysosomes to release digestive enzymes into the cytosol

Which of the following need to be expressed to get past the G1 checkpoint and why? Select one: a. All the answers are correct and needed to progress the cell past the G1 checkpoint by expressing the enzymes necessary for DNA replication. Once these proteins are all expressed, the cell has moved past G1 into S phase. b. Primase because this enzyme is needed for DNA replication moving the cell from G1 to S. c. Cyclins because the accumulation of specific cyclins will turn on CDKs needed to turn on gene expression for proteins involved in DNA replication, moving the cell from G1 to S. d. DNA helicase because this protein is needed for DNA replication (part of S phase). So expression will help progress the cell from G1 to S.