PPT-Mitosis Keywords Prophase

Metaphase Anaphase Telephase Do now activity What would we find in the nucleus of a cell Why do cells need to divide What could go wrong when cells dont divide properly GOOD PROGRESS. 10X Magnification of Stained Human Cheek Cells. Parts of the Human Cheek Cell at 40X Magnification. Can you name these parts of the Human Cheek Cell?. CELL CYCLE. D. uring Interphase DNA replicates which must occur before Mitosis can begin .. The membrane pinches together until two cells are formed.. The membrane pinches together until two cells are formed.. Cytokinesis. Sister . chromatids. each become a chromosome. Sister . chromatids. The cell cycle. Mitosis is only one section of the life cycle of a cell. . Interphase is the main part of the cell cycle. This is where DNA is replicated (a copy is made) to prepare for mitosis.. Overview. Metaphase. Anaphase. INTERPHASE. G1 phase. . Metabolic changes prepare the cell for division. At a certain point - the restriction point - the cell is committed to division and moves into the S phase.. Principles of Biology. Biology 1110 Laboratory. Laboratory . # 9 . The Cell Cycle and Mitosis. Support/Review Materials. All of the micrographs in this presentation were photographed in the . MnWest. th. , 2017. Pre-Class:. Briefly. summarize the events of the six steps of mitosis/cytokinesis.. . Expect . the Wheel of Doom!. Have your free response questions ready but . don’t. discuss them.. Parts of the Human Cheek Cell at 40X Magnification. Can you name these parts of the Human Cheek Cell?. CELL CYCLE. D. uring Interphase DNA replicates which must occur before Mitosis can begin .. Centrioles. Mitosis Summary. Class Question. Checkpoints. determine whether cell cycle proceeds or is halted (checks to make sure cell is ready to keep going, checking for errors in replication, growth or division). The features of mitosis that result in the production of genetically identical daughter cells. . The Cell Cycle. Cytokinesis. Mitosis. S. (DNA synthesis). G. 1. G. 2. Figure 9.1 – Chromosomes during cell division. Chromatin – the less tightly coiled DNA-protein complex. Centromere – the region of the chromosome that holds the two sister chromatids together during mitosis.. SEX CHROMOSOMES & AUTOSOMES. Sex chromosomes are chromosomes that determine the sex of an organism, and they may also carry genes for other characteristics. . a single . DNA molecule complexed with histone . proteins. DNA is organized within the nucleus as chromosomes. Each chromosome is comprised of subunits called nucleosomes: DNA + proteins. Chromosome numbering/naming. Eukaryotes: organisms with a true nucleus and membrane bound organelles; usually multicellular. Animals, plants, fungi, protists (microorganisms). Eukaryotic cells replicate for growth and development . Levels of Biological organization. Cells  Tissues. Tissues  Organs. Organs  Organ Systems. Organ Systems  Organisms . From zygote to Trillions of Cells. Zygote=Cell that forms when sperm and egg join. There are certain cells that do NOT divide: . Brain. Nerve. Muscle (after reaching adult size). Remember . IPMATC. (. I. . P. ray . M. ostly . A. t . T. he . C. hurch). Cell divides to make TWO identical cells. .