1 / 18

11/14 & 11/15 - 7 th Grade Agenda

11/14 & 11/15 - 7 th Grade Agenda. Learning Objective: Learn about Stem Cells Collect HW: Reading & Note Taking p.81 – 84 Chap 4 Study Guide Who Wants to be a Millionaire Chap 4 Video: Test Your Brain Class Reading p.129 - 141 HW: Unit Review & Reinforce p. 89 & 92

azize
Download Presentation

11/14 & 11/15 - 7 th Grade Agenda

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 11/14 & 11/15 - 7th Grade Agenda Learning Objective: Learn about Stem Cells Collect HW: Reading & Note Taking p.81 – 84 Chap 4 Study Guide Who Wants to be a Millionaire Chap 4 Video: Test Your Brain Class Reading p.129 - 141 HW: Unit Review & Reinforce p. 89 & 92 Reminder: Chap 4 Test on 11/19 & 11/20

  2. Reflection • Prompt: What is cancer and how can you reduce the chance of getting cancer?

  3. DNA – Deoxyribonucleic Acid • Nitrogen Based Molecules (4 Letters of DNA Alphabet) • A pairs up with ____ • G pairs up with ____ T C

  4. Cell Cycle • Stage 1: Interphase: Period before cell division occurs. • Cell doubles in size • Copy the DNA in its nucleus

  5. Cell Cycle • Stage 2: Mitosis • One copy of the DNA is distributed into each of the two daughter cells

  6. Cell Cycle • Stage 3: Cytokinesis • Cytoplasm divides

  7. Cell Cycle Facts • Some cells divide every 2 hours or less • Human Liver cells divide every 22 hours • There are about _____ million cells dividing in your body right now!! • Most cells divide but human b_____ cells never divide. 100 rain

  8. Cell Cycle Facts • Some cells divide every 2 hours or less • Human Liver cells divide every 22 hours • There are about 100 million cells dividing in your body right now!! • Most cells divide but human brain cells never divide.

  9. Chromosomes

  10. DNA Replication • DNA looks like a spiral staircase “double helix” • Two sides of DNA ladder are made up of sugar called deoxyribose and Phosphate • Adenine always pairs with Thymine • Cytosine always pairs with Guanine

  11. Cancer • What is Cancer Mutation: Damage to the DNA

  12. Cancer tation • Cancer begins when mu________ disrupt the normal cell cycle causing cells to di_________ in an uncontrolled way • Eventually a tu______ (a mass of abnormal cells) forms. vide mor

  13. How Cancer Spreads

  14. Treating Cancer • Surgery: Only effective during early stages • Radiation: Radiation also destroy healthy cells • Chemotherapy: Uses of drugs to kill cancer cells. Side effect: Also kills healthy cells.

  15. Cancer Prevention • 2/3 of all cancer deaths are caused by tobacco use or unhealthful diets • Smoking is the main cause of lung cancer

  16. Cancer Prevention • Diet high in fat (fatty meats, fried foods) is harmful • Diet that includes a lot of fruits, vegetables and grain products can lower some type of cancer.

  17. Differentiation • As cells differentiate, they become diff_____ from one another. erent

  18. Stem Cells • Stem Cells respond to specific needs in the body by becoming a spec____zed ce___ iali ll

More Related