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Meiosis

Cell Cycle

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Biology
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Biology
Cell Biology
cell cycle
Interphase
mitosis
Meiosis
Kinetochore
Cytokinesis
Cyclin
Spindle apparatus
cell
Chromosome
health

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

AP Biology Chapter 12 Reading Guide

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Cell Biology
cell cycle
Kinetochore
mitosis
Meiosis
Spindle apparatus
Cytokinesis
Interphase
Cyclin
Aster
G2 phase
health

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.?????

Intro to Evolution and Evolutionary Genetics: Exam Study Notes

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Biology
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Gene
Chromosome
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Evolution and the Themes of Biology Identify global challenges that may require a biological solution. pollution acid rain / ocean acidification antibiotic-resistant pathogens Describe how an organism?s environmental adaptations result from evolution. individuals best suited to their environment are more likely to survive and reproduce more individuals will have these advantageous traits in subsequent generations (if they are heritable) Identify (and give examples) of the different levels of the hierarchy of biology. Domain: Eukarya Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Carnivora Family: Ursidae Genus: Ursus Species: Ursus Maritimus Describe how the food competition hypothesis (in the context of giraffes? long necks) was not supported by data.

Ap Biology Chapter 15 Review

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Biology
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Biology
Genetics
Cytogenetics
Molecular genetics
Classical genetics
Cellular processes
Genetic linkage
Chromosomal crossover
Y chromosome
Genomic imprinting
Chromosome
Meiosis
health
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Attachment theory
Ethology
Personal life
Technology

Chapter 15 The Chromosomal Basis of Inheritance Overview: Locating Genes Along Chromosomes Mendel?s ?hereditary factors? were genes, though this wasn?t known at the time Today we can show that genes are located on chromosomes The location of a particular gene can be seen by tagging isolated chromosomes with a fluorescent dye that highlights the gene Concept 15.1: Mendelian inheritance has its physical basis in the behavior of chromosomes Mitosis and meiosis were first described in the late 1800s The chromosome theory of inheritance states: Mendelian genes have specific loci (positions) on chromosomes Chromosomes undergo segregation and independent assortment The behavior of chromosomes during meiosis was said to account for Mendel?s laws of segregation and independent assortment

15_Lecture_Presentation

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Classical genetics
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Molecular genetics
Epigenetics
Y chromosome
Genetic linkage
Meiosis
Chromosome
Genomic imprinting
Dihybrid cross
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Personal life
Attachment theory
Evolutionary biology
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Chapter 15 The Chromosomal Basis of Inheritance Overview: Locating Genes Along Chromosomes Mendel?s ?hereditary factors? were genes, though this wasn?t known at the time Today we can show that genes are located on chromosomes The location of a particular gene can be seen by tagging isolated chromosomes with a fluorescent dye that highlights the gene Copyright ? 2008 Pearson Education Inc., publishing as Pearson Benjamin Cummings Fig. 15-1 Concept 15.1: Mendelian inheritance has its physical basis in the behavior of chromosomes Mitosis and meiosis were first described in the late 1800s The chromosome theory of inheritance states: Mendelian genes have specific loci (positions) on chromosomes Chromosomes undergo segregation and independent assortment

AP Bio Review

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Biology
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Biology
Cellular processes
Cell Biology
Plant Anatomy
Plant physiology
Tissues
Meiosis
Cell growth
Interphase
cell cycle
Vascular bundle
Anaphase
health
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Attachment theory
Ethology
Personal life
Technology

AP BIOLOGY SEMESTER 2 REVIEW UNIT 7 CONTINUED: ANIMAL FORM & FUNCTION Cell Communication Reception ? signal molecule binds to receptor protein in cell membranes causing it to change shape G protein coupled receptor Transduction = cascade of molecules activates relaying signal within cell Signal transduction pathway (ex. G-protein, tyrosine-kinase receptors, ion channel receptors) Phosphorylation cascades Secondary messenger system (ex. Cyclic AMP, Ca2+ ions, DAG, IP3) Response Transcription factors turn genes on or off Cellular activity activate enzymes, open cell membrane channels, apoptosis Scaffolding proteins Endocrine System (table page 961) Homeostasis Blood sugar regulation, blood calcium regulation Negative feedback, positive feedback Neurosecretory cells

AP Bio Review

Subject: 
Biology
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Biology
Cellular processes
Cell Biology
Plant Anatomy
Plant physiology
Tissues
Meiosis
Cell growth
Interphase
cell cycle
Vascular bundle
Anaphase
health
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Attachment theory
Ethology
Personal life
Technology

AP BIOLOGY SEMESTER 2 REVIEW UNIT 7 CONTINUED: ANIMAL FORM & FUNCTION Cell Communication Reception ? signal molecule binds to receptor protein in cell membranes causing it to change shape G protein coupled receptor Transduction = cascade of molecules activates relaying signal within cell Signal transduction pathway (ex. G-protein, tyrosine-kinase receptors, ion channel receptors) Phosphorylation cascades Secondary messenger system (ex. Cyclic AMP, Ca2+ ions, DAG, IP3) Response Transcription factors turn genes on or off Cellular activity activate enzymes, open cell membrane channels, apoptosis Scaffolding proteins Endocrine System (table page 961) Homeostasis Blood sugar regulation, blood calcium regulation Negative feedback, positive feedback Neurosecretory cells

Campbell AP Biology Study Guide Ch 12

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Cell Biology
cell cycle
mitosis
Proteins
Cellular processes
Cyclin
Cell cycle checkpoint
Kinetochore
Metaphase
Prometaphase
Meiosis
health
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Attachment theory
Evolutionary biology
Personal life
Technology

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

Mendel and Meoisis

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Biology
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Genetics
Classical genetics
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Meiosis
Genetic linkage
Homologous chromosome
Monohybrid cross
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Gamete
health

Mendel and Meiosis Meiosis Genes, Chromosomes, and Numbers Organisms have tens of thousands of genes that determine their traits These genes are lined up on chromosomes (one can contain 1,000+ genes) In body cells of most plants and animals, chromosomes occur in pairs (one from mom, one from dad) Diploid: a cell with two of each kind of chromosome (2n) Organisms have two factors, called alleles, for each trait Organisms produce gametes that contain one of each kind of chromosome Haploid: a cell containing one of each kind of chromosome (n) Homologous chromosomes: the two chromosomes of each pair in a diploid cell Each member of a pair has genes for the same traits, arranged in the same order, but not necessarily identical

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