Cell division - PowerPoint PPT Presentation
Do now!!
Do now!!. What two (2) reasons do you think cells divide?. Ch. 10 Cell Growth and Reproduction. Why do cells divide?. Body Growth and Repair. All living things grow All living things need to repair themselves when injured New cells are made to make these two things happen
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Chapter 3
Chapter 3. A. Gene function Genes and protein synthesis and mutation B. Genetic diseases Identification of genes Pedigrees/DNA markers Diseases (CF, PKU, Albinism, Huntington Disease, DMD) C. Use/Misuse of genetic information Genetic tests Prenatal testing
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CLAIMS
CLAIMS. Identifying the arguer’s point. claims. A claim is the point an arguer is trying to make. The claim is the conclusion, proposition, or assertion an arguer wants another to accept. The claim answers the question, "So what is your point?”
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Cell Growth and Division
Cell Growth and Division. Cell Growth. When a living thing grows, what happens to its cells? Does an animal get larger because each cell increases in size or because it produces more of them ? In most cases, living things grow by producing more cells
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Course in Molecular Biology
Course in Molecular Biology. Leuven, October – November 2002. Program. Basics of molecular biology Transcription Translation Regulatory pathways DNA and diseases Biotechnology. Lesson 1: Basics of molecular biology. I. The Cell’s Organization II. Cell Cycle and Cell Division
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Fun Facts About Food Irradiation
Fun Facts About Food Irradiation. A presentation of the. Why do we preserve food?. Protect people from microorganisms, parasites, and other pests Extend shelf-life, improve long-term quality Make desirable alterations to food properties. History of Food Preservation. Oldest Methods
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KEY CONCEPT Cell cycle regulation is necessary for healthy growth.
KEY CONCEPT Cell cycle regulation is necessary for healthy growth. Internal and external factors regulate cell division. External factors include physical and chemical signals. Cell to cell contact
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Chapter 10
Chapter 10. Cell Growth and Division. Vocabulary . Word Sort. Largest Cell?. Largest Cell?. Giant Squid – Nerve Cells Up to 36 Feet!. Section 10-1 Cell Growth What problems does growth cause for cells ?. Limits to cell growth Why do cells divide rather than continue to grow indefinitely?
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Regulation of Cell Division
Regulation of Cell Division. Coordination of cell division. A multicellular organism needs to coordinate cell division across different tissues & organs critical for normal growth, development & maintenance coordinate timing of cell division coordinate rates of cell division
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Examining Mitosis and Meiosis Lesson C3-3
Examining Mitosis and Meiosis Lesson C3-3. Reminder: student learning activities are at the end of this power point.
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Cell Continuity
Cell Continuity. Cell Continuity. All cells develop from pre-existing cells 3 steps to form a new cell Produce materials it will need Grows larger Reproduces to form a new cell. Chromosomes. Structures in Nucleus, made of DNA & Protein Not dividing = Chromatin (long thin threads)
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CH 12 NOTES, part 1 : Chromosomes, the Cell Cycle, and Cell Division (12.1-12.2)
CH 12 NOTES, part 1 : Chromosomes, the Cell Cycle, and Cell Division (12.1-12.2). ● The ability of organisms to reproduce best distinguishes living things from nonliving matter ● The continuity of life is based upon the reproduction of cells, or cell division.
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How Cells Divide Mitosis is a key phase of the cell cycle Phases of the Cell Cycle
How Cells Divide Mitosis is a key phase of the cell cycle Phases of the Cell Cycle. G1: is the primary growth phase of the cell. For many organisms, this encompasses the major portion of the cell’s life span. S: is the phase in which the cell synthesizes a replica of the genome.
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Chapter 8.2 – Cell Growth and Reproduction
Chapter 8.2 – Cell Growth and Reproduction. Cell Size Limitation. The cells that make up a multicellular organisms come in a wide variety of shapes and sizes. The smallest cell is the book mentions is the red blood cell and the largest cell is the yolk of an ostrich egg.
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Duplicating Genetic Information
Cell Reproduction and Inheritance. Duplicating Genetic Information. The Cell Cycle. Cancer and the Cell Cycle. Mitosis. Meiosis. When Cell Division is not perfect. Duplicating Genetic Information. Information about you is in the sequence of nucleotides in the DNA molecule.
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Physical Hazards Noise, Radiation, and Ergonomics
Physical Hazards Noise, Radiation, and Ergonomics. NOISE AND ITS EFFECT ON HEARING. Introduction. Definitions Biological Process of Hearing Two Types of Hearing Loss Conductive Hearing Loss Sensory Hearing Loss Regulatory Levels Audiometric Testing Measuring Noise. Definitions.
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Animation
Word bank -signaling molecule -cell receptor -signal transduction pathway -nuclear signaling -cascade -phosphorylation -ATP -protein -response -nucleus -mRNA -second messenger. Animation. http://bcs.whfreeman.com/thelifewire/content/chp15/15020.html 1) What is flight or fight?
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Chromosomes structure and Cell cycle
Chromosomes structure and Cell cycle. Genetic Material in the Living Cells. In a non-dividing cell the nucleus is filled with a thread-like material known as "chromatin". Chromatin is made up of DNA and proteins (mainly histones and some non-histone acidic proteins).
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Lesson Overview
Lesson Overview. 10.1 Cell Growth, Division, and Reproduction. Limits to Cell Size. What are some of the difficulties a cell faces as it increases in size? The larger a cell becomes, the more demands the cell places on its DNA .
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Tour of the Cell 3
Tour of the Cell 3. Cells gotta work to live!. What jobs do cells have to do? make proteins proteins control every cell function make energy for daily life for growth make more cells growth repair renewal. Making New Cells. Cytoskeleton. Function structural support
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