CELL GROWTH & CELL GROWTH & REPRODUCTION REPRODUCTION Chapter 8, Section 2Chapter 8, Section 2

Biology 12/5/13 Mrs. Biology 12/5/13 Mrs. TurgeonTurgeon

““Always remember that you are absolutely unique. Just like everyone else.”Always remember that you are absolutely unique. Just like everyone else.”

– – Margaret MeadMargaret Mead

DO NOW:DO NOW:

1.1.In your notes: What do we call DNA when it is about to divide? In your notes: What do we call DNA when it is about to divide? What is in the center keeping it together?What is in the center keeping it together?

2. Turn in your surface area WS if you didn’t yesterday2. Turn in your surface area WS if you didn’t yesterday

AGENDA:AGENDA:

1.1.Move seatsMove seats

2.2.Review ACT quizReview ACT quiz

3.3.Students will be able to describe how cells replicate Students will be able to describe how cells replicate themselves by taking notesthemselves by taking notes

HOMEWORK:HOMEWORK:

EXTRA CREDIT! Due 12/20: EXTRA CREDIT! Due 12/20: ONEONE tissue box or hand sanitizer tissue box or hand sanitizer

Biology 12/9/13 Mrs. Biology 12/9/13 Mrs. TurgeonTurgeon

““Quality is never an accident. It is always the result of intelligent effort.””Quality is never an accident. It is always the result of intelligent effort.””

– – John RuskinJohn Ruskin

DO NOW:DO NOW:

1.1.In your notes: In what phase of mitosis do the sister In your notes: In what phase of mitosis do the sister chromatids separate?chromatids separate?

2. Get out your mitosis organizer2. Get out your mitosis organizer

AGENDA:AGENDA:

1.1.Go over mitosis organizerGo over mitosis organizer

2.2.Students will be able to understand the timeline of a cell cycle Students will be able to understand the timeline of a cell cycle by completing the “Mitosis under the microscope” activity in by completing the “Mitosis under the microscope” activity in pairs.pairs.

ANNOUNCEMENT:ANNOUNCEMENT:

1. Science club is meeting tomorrow! Be there or be square!1. Science club is meeting tomorrow! Be there or be square!

Biology 12/10/13 Mrs. Biology 12/10/13 Mrs. TurgeonTurgeon

““Quality is not an act, it is a habit.” - AristotleQuality is not an act, it is a habit.” - Aristotle

DO NOW:DO NOW:

1.1.In your notes: In what phase of mitosis do the two new nuclear In your notes: In what phase of mitosis do the two new nuclear envelopes form?envelopes form?

2. Get ready to take some notes2. Get ready to take some notes

AGENDA:AGENDA:

1.1.Students will be able to understand the basics of genetics by Students will be able to understand the basics of genetics by taking notestaking notes

2.2.Finish your Timeline of a cell worksheet for homework. Due Finish your Timeline of a cell worksheet for homework. Due Thursday.Thursday.

ANNOUNCEMENT:ANNOUNCEMENT:

Science club is meeting today! Come to room 312 after schoolScience club is meeting today! Come to room 312 after school

Biology 12/11/13 Mrs. Biology 12/11/13 Mrs. TurgeonTurgeon

““Associate yourself with people of good quality, for it is better to Associate yourself with people of good quality, for it is better to be alone than in bad companybe alone than in bad company

DO NOW:DO NOW:

1.1.In your notes: What type of cells does mitosis occur in?In your notes: What type of cells does mitosis occur in?

2. Get ready to take some notes2. Get ready to take some notes

AGENDA:AGENDA:

1.1.Students will be able to understand the basics of genetics by Students will be able to understand the basics of genetics by taking notestaking notes

2.2.Finish your Timeline of a cell worksheet for homework. Due Finish your Timeline of a cell worksheet for homework. Due Thursday.Thursday.

ANNOUNCEMENT:ANNOUNCEMENT:

Extra credit is due next FridayExtra credit is due next Friday

Content quiz this FridayContent quiz this Friday

Biology 12/12/13 Mrs. Biology 12/12/13 Mrs. TurgeonTurgeon

““Quality means doing it right when no one is looking.” - Henry Quality means doing it right when no one is looking.” - Henry FordFord

DO NOW:DO NOW:

1.1.In your notes: Determine the surface area to volume ratio of a In your notes: Determine the surface area to volume ratio of a cube with 8cm sidescube with 8cm sides

2. Turn in your homework2. Turn in your homework

AGENDA:AGENDA:

1.1.Students will be able to complete a monohybrid cross without Students will be able to complete a monohybrid cross without assistance assistance

ANNOUNCEMENT:ANNOUNCEMENT:

Extra credit is due next FridayExtra credit is due next Friday

Content quiz this FridayContent quiz this Friday

Biology 12/13/13 Mrs. Biology 12/13/13 Mrs. TurgeonTurgeon

““It is quality rather than quantity that matters.” – Lucius AnnaeusIt is quality rather than quantity that matters.” – Lucius Annaeus

DO NOW:DO NOW:

1.1.In your notes: Draw two separate pictures: what a cell looks In your notes: Draw two separate pictures: what a cell looks like when it is in prophase and when it is in anaphaselike when it is in prophase and when it is in anaphase

2.2.Get out your homework (Genetic POGIL & spongebob) Get out your homework (Genetic POGIL & spongebob)

AGENDA:AGENDA:

1.1.Students will be able to complete a monohybrid cross without Students will be able to complete a monohybrid cross without assistance assistance

2.2.Content quizContent quiz

ANNOUNCEMENT:ANNOUNCEMENT:

Extra credit is due next FridayExtra credit is due next Friday

Biology 12/17/13 Mrs. Biology 12/17/13 Mrs. TurgeonTurgeon

““It is quality rather than quantity that matters.” – Lucius AnnaeusIt is quality rather than quantity that matters.” – Lucius Annaeus

DO NOW:DO NOW:

1.1.What happens to the shape of a cell when there is more water What happens to the shape of a cell when there is more water leaving the cell than entering the cell?leaving the cell than entering the cell?

AGENDA:AGENDA:

1.1.Students will be able to demonstrate their knowledge of cells, Students will be able to demonstrate their knowledge of cells, photosynthesis and cellular respiration photosynthesis and cellular respiration

HOMEWORK:HOMEWORK:

1.1.Due Thursday: “T” notes 10.1 (15 entries minimum )Due Thursday: “T” notes 10.1 (15 entries minimum )

2.2.Study for content quiz this Friday!Study for content quiz this Friday!

ANNOUNCEMENT:ANNOUNCEMENT:

Science club is meeting today after school! Science club is meeting today after school!

Biology 12/20/13 Mrs. Biology 12/20/13 Mrs. TurgeonTurgeon

““It is quality rather than quantity that matters.” – Lucius AnnaeusIt is quality rather than quantity that matters.” – Lucius Annaeus

DO NOW:DO NOW:

1.1.Any questions about dihybrid worksheet?Any questions about dihybrid worksheet?

AGENDA:AGENDA:

1.1.Students will be able to demonstrate their knowledge of Students will be able to demonstrate their knowledge of heredity by completing a quiz.heredity by completing a quiz.

HOMEWORK:HOMEWORK:

1.1.Look at your classes on the portal to determine how to spend Look at your classes on the portal to determine how to spend your time preparing for final examsyour time preparing for final exams

2.2.Do something nice for a family memberDo something nice for a family member

ANNOUNCEMENT:ANNOUNCEMENT:

NO LATE WORK WILL BE ACCEPTED AFTER MON 1/6/14NO LATE WORK WILL BE ACCEPTED AFTER MON 1/6/14

12/9/14 BIOLOGY MRS.TURGEON

“No one can figure out your worth but you.” -Pearl Bailey

OBJECTIVES SWBAT:

1.Explain why cells are small

DO NOW:1. What is the formula we use to find the volume of a cube?

12/10/14 BIOLOGY MRS.TURGEON

“No one can figure out your worth but you.” -Pearl Bailey

OBJECTIVES SWBAT:

1.Explain why cells replicate themselves

DO NOW:1. Why are small cells more efficient?

Cell SizeCell Size Small cells are more efficientSmall cells are more efficient Small cells have a greater Small cells have a greater Surface Area-Surface Area-

to-Volume Ratioto-Volume Ratio so that exchange of so that exchange of materials across the plasma membrane materials across the plasma membrane is more efficientis more efficient

Cell ReproductionCell Reproduction

ChromosomesChromosomes = = condensed DNA, condensed DNA, form when cell is form when cell is ready to divideready to divide

Made up of 2 halves Made up of 2 halves held together in the held together in the center by the center by the centromerecentromere

Cell Cycle (Interphase & Cell Cycle (Interphase & Mitosis)Mitosis) Cell CycleCell Cycle = sequence of growth & division of a = sequence of growth & division of a

cell, 2 partscell, 2 parts 1. Interphase1. Interphase 2. Cell Division2. Cell Division

MitosisMitosis CytokinesisCytokinesis

1. Interphase1. Interphase = growth period, majority of a cell’s = growth period, majority of a cell’s lifelife Cells grow (G1)Cells grow (G1) Chromosomes duplicate (S)Chromosomes duplicate (S) Prep for division (G2)Prep for division (G2)

2. Mitosis2. Mitosis = period = period of division, of division, 2 2 daughter cells get daughter cells get formed, each w/ a formed, each w/ a complete set of complete set of chromosomeschromosomes Divided into 4 PhasesDivided into 4 Phases

Phases of MitosisPhases of Mitosis 1. Prophase1. Prophase Chromatin Chromatin coils into coils into

chromosomeschromosomes Sister ChromatidsSister Chromatids = two = two

halves of the halves of the chromosome, chromosome, chromatids are chromatids are genetically identicalgenetically identical

Nuclear EnvelopeNuclear Envelope & & NucleolusNucleolus break downbreak down

CentriolesCentrioles start sending start sending out out Spindle FibersSpindle Fibers

2. Metaphase2. Metaphase ChromosomesChromosomes line line

up in the center of up in the center of the cellthe cell

Spindle FibersSpindle Fibers attach attach the chromatidsthe chromatids

3. Anaphase3. Anaphase Separation of Separation of Sister Sister

ChromatidsChromatids

4. Telophase4. Telophase ChromatidsChromatids pulled to pulled to

opposite ends of the opposite ends of the cellcell

Nuclear Envelope Nuclear Envelope & & NucleolusNucleolus re-form re-form

CytokinesisCytokinesis = division of the cytoplasm = division of the cytoplasm Cleavage FurrowCleavage Furrow in animals in animals Cell PlateCell Plate in plants in plants

Cancer (Ch. 9, Sec. 3)Cancer (Ch. 9, Sec. 3)

Results from uncontrolled cell divisionResults from uncontrolled cell division If the DNA of a cell is damaged/altered, If the DNA of a cell is damaged/altered,

regulation of cell division can be affectedregulation of cell division can be affected Environmental factors can damage cellsEnvironmental factors can damage cells

PracticePractice

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