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11/30 - 7 th Grade Agenda

11/30 - 7 th Grade Agenda. Chap 4 Review Chap 4 Study Guide – Without Textbook Class Reading p.138 – 141 HW: Reading & Note Taking p.83 – 84 Reminder: Chap 4 Test on 12/1 & 12/2. Chap 4 Review. Photosynthesis. What is Photosynthesis?. Photosynthesis.

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11/30 - 7 th Grade Agenda

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  1. 11/30 - 7th Grade Agenda Chap 4 Review Chap 4 Study Guide – Without Textbook Class Reading p.138 – 141 HW: Reading & Note Taking p.83 – 84 Reminder: Chap 4 Test on 12/1 & 12/2

  2. Chap 4 Review

  3. Photosynthesis • What is Photosynthesis?

  4. Photosynthesis • Photosynthesis: The process by which a cell captures the e________ in sunlight and uses it to make f______. nergy ood

  5. Chloroplasts orophyll • Chl________ pigments inside chloroplasts absorb su________ and convert it into energy nlight Chloroplasts

  6. Stomata arbon • C_________ D________ is absorbed through openings in the underside of the leaves called Stomata ioxide

  7. Autotrophs & Heterotrophs • Which organisms in these photos are autotrophs? • Which organisms in these photos are heterotrophs?

  8. What is Respiration? • What is respiration?

  9. What is Respiration? tosynthesis • During pho______________ plants capture and save en_____ in the form of car_________ (sugars and starches) ergy bohydrate

  10. What is Respiration? • After you e__, your body converts the carbohydrates into gl_______ (type of sugar) at ucose

  11. Respiration: 2 Stage Process ucose • Stage 1: Gl______ is broken down into smaller molecules • Stage 2: Mit________ takes the ox______ and glucose and converts it into ca_____ dioxide, w______ & energy ochondria ygen rbon ater

  12. What is the relationship between Photosynthesis and Respiration? • Photosynthesis and respiration can be thought of as opposite processes • Together these two process form a cycle that keeps the level of oxygen and carbon dioxide fairly constant

  13. Fermentation provides en_______ from cells without using ox_______ ergy ygen

  14. Alcoholic Fermentation: Y_____is used to break down s______ and produce carbon dioxide (making br_____ and be_____) east ugar ead er

  15. Lactic Acid Fermentation happens when you over work your m_______ and your cells don’t get enough o_______ uscle xygen

  16. Cell Cycle ? Interphase Prophase ? ? Cytokinesis Metaphase ? Telophase Anaphase ? ?

  17. Interphase • Stage 1: Interphase: Period before cell division occurs. • Cell is doing its J___ while growing (doubles in size) • Replicates (make a copy) its DNA ob

  18. Mitosis : Prophase Prophase: Identical Chromatids p______. They are held together by a centromere air up

  19. Mitosis : Metaphase Metaphase: Chromosomes line up in the m______ iddle

  20. Mitosis : Anaphase Anaphase: The centromeres split and the chromosomes are pulled a______ part

  21. Mitosis: Telophase Telophase: Each set of chromosomes are F___ away and a nucleus forms around them ar

  22. Cytokinesis Cytokinesis The cell membrane m______ inwards then pinches in two. This form 2 identical cells oves

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

  24. Cell Cycle Facts • Some cells divides every 2 hours or less • Human Liver cells divides 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

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

  26. 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

  27. Differentiation • As cells differentiate, they become diff_____ from one another. errent

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

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