Kinetochore

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AP Bio Mitosis/Meiosis Key Terms Genome Chromosome Somatic Cell Gamete Chromatin Sister Chromatid Centromere Mitosis Cytokinesis Meiosis Meiosis 1, 2 Mitotic Phase (M) Interphase G1 Phase S Phase G2 Phase Prophase Prometaphase Metaphase Anaphase Telophase Mitotic Spindle Centrosome Aster Kinetochore Metaphase Plate Cleavage Cleavage Furrow Cell plate Binary Fission Cell cycle control system Checkpoint G0 Phase Cyclin Cyclin dependent kinases MPF Growth Factors Density - dependent inhibition Anchorage dependence Transformation Benign tumor Malignant tumor Metastasis
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Campbell9EdChapter12CellCycle

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The Cell Cycle Chapter 12 Overview: The Key Roles of Cell Division The ability of organisms to produce more of their own kind best distinguishes living things from nonliving matter The continuity of life is based on the reproduction of cells, or cell division ? 2011 Pearson Education, Inc. In unicellular organisms, division of one cell reproduces the entire organism Multicellular organisms depend on cell division for Development from a fertilized cell Growth Repair Cell division is an integral part of the cell cycle, the life of a cell from formation to its own division ? 2011 Pearson Education, Inc. Figure 12.2 (a) Reproduction of an amoeba (b) Growth and development of a sand dollar embryo (c) Tissue renewal in dividing bone marrow cells 20 ?m 100 ?m 200 ?m

ap_bio_chap_9_cell_cycle.ppt

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Spindle apparatus

Cell growth

0 9 The Cell Cycle Overview: The Key Roles of Cell Division The ability of organisms to produce more of their own kind best distinguishes living things from nonliving matter The continuity of life is based on the reproduction of cells, or cell division ? 2014 Pearson Education, Inc. Figure 9.1 Reproduces the entire organism in unicellular organisms Enables multicellular eukaryotes to develop from a single cell and, once fully grown, to renew, repair, or replace cells as needed Is an integral part of the cell cycle, the life of a cell from formation to its own division ? 2014 Pearson Education, Inc. Cell Division Concept 9.1: Most cell division results in genetically identical daughter cells

AP Bio Lab 7

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Interphase

Maturation promoting factor

AP LAB 7: CELL DIVISION: MITOSIS AND MEIOSIS How do eukaryotic cells divide to produce genetically identical cells or to produce gametes with half the normal DNA? BACKGROUND One of the characteristics of living things is the ability to replicate and pass on genetic information to the next generation. Cell division in individual bacteria and archaea usually occurs by binary fission. Mitochondria and chloroplasts also replicate by binary fission, which is evidence of the evolutionary relationship between these organelles and prokaryotes. Cell division in eukaryotes is more complex. It requires the cell to manage a complicated process of duplicating the nucleus, other organelles, and multiple chromosomes. This process, called the cell cycle, is divided

Ch. 12 Quick Notes

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THE CELL CYCLE-Chapter 12 ? Ability to reproduce = one characteristic of living things ? Continuity of life based on the reproduction of cells ? Cell division functions in reproduction, growth, and repair? UNICELLULAR ORGANISMS use cell division for reproduction? MULTICELLULAR ORGANISMS use cell division to:? -repair/renew cells that die from normal wear and tear? -grow and develop from a single fertilized egg (zygote)? -reproduce asexually (EX: plants grow by cuttings) ? Results in genetically identical daughter cells ? DNA molecules packaged into chromosomes ? GENOME= cell?s genetic information Prokaryotes genome - single circular loop of DNA Eukaryotes - several DNA molecules in multiple chromosome bundles

Cell Cycle

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Cell Biology

Interphase

cell

Chapter 12: The Cell Cycle Overview: The Key Roles of Cell Division the continuity of life is based upon the reproduction of cells, or cell division unicellular organisms reproduce by cell division multicellular organisms depend on cell division for development (from a fertilized cell), growth and repair the cell division process is an integral part of the cell cycle, the life of a cell from its formation from the division of the parent cell to its own division Concept 12.1: Cell division results in two identical daughter cells cells duplicate their genetic material before they divide, ensuring that each daughter cell receives an exact copy of genetic material, DNA Cellular Organization of the Genetic Material a cell?s endowment of DNA, its genetic information, is called its genome

Campbell Biology Chapter 12 Outline

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Cohesin

Chromosome

Metaphase

Mica Piro Chapter 12: The Cell Cycle Most Cell Division Results in Genetically Identical Daughter Cells (12.1) Cellular Organization of the Genetic Material A cell?s endowment of DNA, its genetic information, is called its genome A prokaryotic genome is often a single DNA molecule Eukaryotic genomes usually consist of a number of DNA molecules All of this DNA has to be copied, or replicated, before the cell can divide to form genetically identical daughter cells, and then the 2 copies must be separated so that each daughter cell ends up with a complete genome The replication and distribution of so much DNA is manageable because the DNA molecules are packaged into structures called chromosomes, because they take up certain dyes used in microscopy

AP Biology Chapter 12 Reading Guide

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Cell Biology

Kinetochore

Spindle apparatus

Cytokinesis

Interphase

G2 phase

AP Biology Name _________________________ Chapter 12 Guided Reading Compare and contrast the role of cell division in unicellular and multicellular organisms. ??? Define the following terms: Genome? Chromosomes? Somatic cells? Gametes? Chromatin? Sister chromatids? Centromere? Mitosis? Cytokinesis? Meiosis? List the activities of the cell cycle: Mitotic phase? Interphase? G1 phase? G2 phase? S phase? Define the following terms: Mitotic spindle? Centrosome? Microtubule organizing center? Aster? Kinetochore? Label below:?? Label the diagram below (phases, structures, etc):?????????????? Contrast cytokinesis in plant and animal cells.??? Define binary fission and label the diagram below:?????? Discuss the hypothetical evolution of mitosis.?????

Campbell AP Biology Study Guide Ch 12

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Campbell's Biology, 9e (Reece et al.) Chapter 12 The Cell Cycle In this chapter, 24 questions are new, and 12 have been altered to incorporate new material from the textbook. As in the other chapters, any questions that depend on figures or introductory scenarios have been placed at the end of the chapter rather than in concept sequence. Multiple-Choice Questions 1) The centromere is a region in which A) chromatids remain attached to one another until anaphase. B) metaphase chromosomes become aligned at the metaphase plate. C) chromosomes are grouped during telophase. D) the nucleus is located prior to mitosis. E) new spindle microtubules form at either end. Answer: A Topic: Concept 12.1 Skill: Knowledge/Comprehension

chapter 12 note

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