CELL GROWTH & REPRODUCTION Chapter 8, Section 2

DO NOW: AGENDA: HOMEWORK: Biology 12/5/13 Mrs. Turgeon “Always remember that you are absolutely unique. Just like everyone else.” – Margaret Mead DO NOW: In your notes: What do we call DNA when it is about to divide? What is in the center keeping it together? 2. Turn in your surface area WS if you didn’t yesterday AGENDA: Move seats Review ACT quiz Students will be able to describe how cells replicate themselves by taking notes HOMEWORK: EXTRA CREDIT! Due 12/20: ONE tissue box or hand sanitizer

DO NOW: AGENDA: ANNOUNCEMENT: Biology 12/9/13 Mrs. Turgeon “Quality is never an accident. It is always the result of intelligent effort.”” – John Ruskin DO NOW: In your notes: In what phase of mitosis do the sister chromatids separate? 2. Get out your mitosis organizer AGENDA: Go over mitosis organizer Students will be able to understand the timeline of a cell cycle by completing the “Mitosis under the microscope” activity in pairs. ANNOUNCEMENT: 1. Science club is meeting tomorrow! Be there or be square!

AGENDA: ANNOUNCEMENT: Biology 12/10/13 Mrs. Turgeon “Quality is not an act, it is a habit.” - Aristotle DO NOW: In your notes: In what phase of mitosis do the two new nuclear envelopes form? 2. Get ready to take some notes AGENDA: Students will be able to understand the basics of genetics by taking notes Finish your Timeline of a cell worksheet for homework. Due Thursday. ANNOUNCEMENT: Science club is meeting today! Come to room 312 after school

AGENDA: ANNOUNCEMENT: Biology 12/11/13 Mrs. Turgeon “Associate yourself with people of good quality, for it is better to be alone than in bad company DO NOW: In your notes: What type of cells does mitosis occur in? 2. Get ready to take some notes AGENDA: Students will be able to understand the basics of genetics by taking notes Finish your Timeline of a cell worksheet for homework. Due Thursday. ANNOUNCEMENT: Extra credit is due next Friday Content quiz this Friday

AGENDA: ANNOUNCEMENT: Biology 12/12/13 Mrs. Turgeon “Quality means doing it right when no one is looking.” - Henry Ford DO NOW: In your notes: Determine the surface area to volume ratio of a cube with 8cm sides 2. Turn in your homework AGENDA: Students will be able to complete a monohybrid cross without assistance ANNOUNCEMENT: Extra credit is due next Friday Content quiz this Friday

AGENDA: ANNOUNCEMENT: Biology 12/13/13 Mrs. Turgeon “It is quality rather than quantity that matters.” – Lucius Annaeus DO NOW: In your notes: Draw two separate pictures: what a cell looks like when it is in prophase and when it is in anaphase Get out your homework (Genetic POGIL & spongebob) AGENDA: Students will be able to complete a monohybrid cross without assistance Content quiz ANNOUNCEMENT: Extra credit is due next Friday

AGENDA: HOMEWORK: ANNOUNCEMENT: Biology 12/17/13 Mrs. Turgeon “It is quality rather than quantity that matters.” – Lucius Annaeus DO NOW: What happens to the shape of a cell when there is more water leaving the cell than entering the cell? AGENDA: Students will be able to demonstrate their knowledge of cells, photosynthesis and cellular respiration HOMEWORK: Due Thursday: “T” notes 10.1 (15 entries minimum ) Study for content quiz this Friday! ANNOUNCEMENT: Science club is meeting today after school! 

AGENDA: HOMEWORK: ANNOUNCEMENT: Biology 12/20/13 Mrs. Turgeon “It is quality rather than quantity that matters.” – Lucius Annaeus DO NOW: Any questions about dihybrid worksheet? AGENDA: Students will be able to demonstrate their knowledge of heredity by completing a quiz. HOMEWORK: Look at your classes on the portal to determine how to spend your time preparing for final exams Do something nice for a family member ANNOUNCEMENT: NO LATE WORK WILL BE ACCEPTED AFTER MON 1/6/14

Explain why cells are small DO NOW: 12/9/14 BIOLOGY MRS.TURGEON “No one can figure out your worth but you.” -Pearl Bailey OBJECTIVES SWBAT: Explain why cells are small DO NOW: 1. What is the formula we use to find the volume of a cube?

Explain why cells replicate themselves DO NOW: 12/10/14 BIOLOGY MRS.TURGEON “No one can figure out your worth but you.” -Pearl Bailey OBJECTIVES SWBAT: Explain why cells replicate themselves DO NOW: 1. Why are small cells more efficient?

Cell Size Small cells are more efficient Small cells have a greater Surface Area-to-Volume Ratio so that exchange of materials across the plasma membrane is more efficient

Cell Reproduction Chromosomes = condensed DNA, form when cell is ready to divide Made up of 2 halves held together in the center by the centromere

Cell Cycle (Interphase & Mitosis) Cell Cycle = sequence of growth & division of a cell, 2 parts 1. Interphase 2. Cell Division Mitosis Cytokinesis 1. Interphase = growth period, majority of a cell’s life Cells grow (G1) Chromosomes duplicate (S) Prep for division (G2)

2. Mitosis = period of division, 2 daughter cells get formed, each w/ a complete set of chromosomes Divided into 4 Phases

Phases of Mitosis 1. Prophase Chromatin coils into chromosomes Sister Chromatids = two halves of the chromosome, chromatids are genetically identical Nuclear Envelope & Nucleolus break down Centrioles start sending out Spindle Fibers

2. Metaphase Chromosomes line up in the center of the cell Spindle Fibers attach the chromatids

3. Anaphase Separation of Sister Chromatids

4. Telophase Chromatids pulled to opposite ends of the cell Nuclear Envelope & Nucleolus re-form

Cytokinesis = division of the cytoplasm Cleavage Furrow in animals Cell Plate in plants

Cancer (Ch. 9, Sec. 3) Results from uncontrolled cell division If the DNA of a cell is damaged/altered, regulation of cell division can be affected Environmental factors can damage cells

Practice Lung cancer is the leading cause of death by cancer for males and females. Explain how this statistic can be easily reduced.