Anaphase

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Aster

Page 1 of 2 Mitosis continued Page 2 of 2 Student Worksheet?Biology Strand: Molecules and Cells Name___________________________ Date__________________ School_________________ Student?please print this worksheet and complete it as you interact with the tutorial. The completed worksheet should be turned in to your assigned teacher. Tutorial: Mitosis List the major things that happen during each phase of mitosis: Prophase_____________________________________________________________ ____________________________________________________________________ Prometaphase/Metaphase____________________________________________________________________________________________________________________

AP Bio Mitosis/Meiosis Key Terms

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cell cycle

Aster

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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ap_bio_chap_10_meiosis.ppt

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Chromatid

Sister chromatids

Ploidy

Chromosome

0 10 Meiosis and Sexual Life Cycles Overview: Variations on a Theme Living organisms are distinguished by their ability to reproduce their own kind Heredity is the transmission of traits from one generation to the next Variation is demonstrated by the differences in appearance that offspring show from parents and siblings Genetics is the scientific study of heredity and variation Figure 10.1 Concept 10.1: Offspring acquire genes from parents by inheriting chromosomes In a literal sense, children do not inherit particular physical traits from their parents Inheritance of Genes Genes are the units of heredity and are made up of segments of DNA Genes are passed to the next generation via reproductive cells called gametes (sperm and eggs) Most DNA is packaged into chromosomes

AP Bio Review

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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

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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

Genetics

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Environmental Science

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Ploidy

Metaphase

Chapter 10: Sexual Reproduction and Genetics CHROMOSOMES AND CHROMOSOME NUMBER -Human body cells have 46 chromosomes -Each parent contributes 23 chromosomes -Homologous chromosomes- one of two paired chromosomes, one from each parent -Same length -Same centromere position -Carry genes that control the same inherited traits HAPLOID AND DIPLOID CELLS -An organism produces gametes to maintain the same number of chromosomes from generation to generation -Human gametes contain 23 chromosomes -A cell with n chromosomes is a haploid cell -A cell with 2n chromosomes is a diploid cell - MEIOSIS I -The sexual life cycle in animals ivolves meiosis -Meiosis produces gametes -When gametes combine in fertilization, the number of chromosomes is restored MEIOSIS

Chapter 10: Sexual Reproduction and Genetics

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Ploidy

Metaphase

Chapter 10: Sexual Reproduction and Genetics CHROMOSOMES AND CHROMOSOME NUMBER -Human body cells have 46 chromosomes -Each parent contributes 23 chromosomes -Homologous chromosomes- one of two paired chromosomes, one from each parent -Same length -Same centromere position -Carry genes that control the same inherited traits HAPLOID AND DIPLOID CELLS -An organism produces gametes to maintain the same number of chromosomes from generation to generation -Human gametes contain 23 chromosomes -A cell with n chromosomes is a haploid cell -A cell with 2n chromosomes is a diploid cell - MEIOSIS I -The sexual life cycle in animals ivolves meiosis -Meiosis produces gametes -When gametes combine in fertilization, the number of chromosomes is restored MEIOSIS

chapter 12 test biology

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Cyclin

Wee1

Chapter 12 The Cell Cycle: Practice Quiz Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. Self-Quiz Questions ____ 1. Increases in the enzymatic activity of some protein kinases important for the regulation of the cell cycle are due to a. kinase synthesis by ribosomes. b. activation of inactive kinases by binding to cyclins. c. conversion of inactive cyclins to active kinases by means of phosphorylation. d. cleavage of the inactive kinase molecules by cytoplasmic proteases. e. a decline in external growth factors to a concentration below the inhibitory threshold.

chapter 12 test biology

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Cyclin

Wee1

Chapter 12 The Cell Cycle: Practice Quiz Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. Self-Quiz Questions ____ 1. Increases in the enzymatic activity of some protein kinases important for the regulation of the cell cycle are due to a. kinase synthesis by ribosomes. b. activation of inactive kinases by binding to cyclins. c. conversion of inactive cyclins to active kinases by means of phosphorylation. d. cleavage of the inactive kinase molecules by cytoplasmic proteases. e. a decline in external growth factors to a concentration below the inhibitory threshold.

AP Biology Test Bank Chapter 13

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