The Cell Cycle (Mitosis) Chapter 12: Questions with 100% Correct Answers | Latest Update 2024 | Rated A+

The Cell Cycle (Mitosis) Chapter 12: Questions with 100% Correct Answers | Latest Update 2024 | Rated A+ What are the three key roles of cell division? State each role and give an example - Reproduction: an amoeba single celled eukaryote divides into two cells. Growth+Development: fertilized egg divides into two cells, beginning embryo formation. Tissue Renewal: dividing bone marrow will give rise to new blood cells What is meant by the cell cycle? - the life of a cell from the time it's first formed from a dividing parent cell until its own division into two cells What is a Genome? - the cell's entire collection of DNA eukaryotic genome (+human genome) - many DNA molecules (human cell = 2m DNA) prokaryotic genome: - a single long DNA molecule how many chromosomes are in a human somatic cell? - 46 How many single-strand chromosomes are in a cell after S phase - 92 chromatid: - half of duplicated chromosome, genetically identical what is mitosis/ cytokinesis? - division of the nucleus/ of the cytoplasm