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12/2 & 12/3 - 7 th Grade Agenda. Collect HW: Workbook p.77-78 Cell Cycle Quiz Brain Pop: Respiration Cell Video Video: Bill Nye Respiration Class Reading p.129-134 HW: Workbook p.79 – 80. Mitosis Animations & Movie.

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12 2 12 3 7 th grade agenda

12/2 & 12/3 - 7th Grade Agenda

Collect HW: Workbook p.77-78

Cell Cycle Quiz

Brain Pop: Respiration

Cell Video

Video: Bill Nye Respiration

Class Reading p.129-134

HW: Workbook p.79 – 80

mitosis animations movie
Mitosis Animations & Movie
  • http://microscopy.fsu.edu/primer/java/scienceopticsu/powersof10/index.html
  • http://www.mybiology.com/archive_movies/the_cell_movies.htm
  • http://www.cellsalive.com/mitosis.htm
  • http://www.cellsalive.com/cell_cycle.htm
  • http://www.pbs.org/wgbh/nova/baby/divide.html#
  • http://www.contexo.info/DNA_Basics/mitosis%20movie.htm
cell cycle
Cell Cycle

?

Interphase

Prophase

?

?

Cytokinesis

Metaphase

?

Telophase

Anaphase

?

?

interphase
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

mitosis prophase
Mitosis : Prophase

Prophase:

Identical Chromatids p______. They are held together by a centromere

air up

mitosis metaphase
Mitosis : Metaphase

Metaphase: Chromosomes line up in the m______

iddle

mitosis anaphase
Mitosis : Anaphase

Anaphase: The centromeres split and the chromosomes are pulled a______

part

mitosis telophase
Mitosis: Telophase

Telophase:

Each set of chromosomes are F___ away and a nucleus forms around them

ar

cytokinesis
Cytokinesis

Cytokinesis

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

oves

dna deoxyribonucleic acid
DNA – Deoxyribonucleic Acid
  • Nitrogen Based Molecules (4 Letters of DNA Alphabet)
  • A pairs up with ____
  • G pairs up with ____

T

C

cell cycle1
Cell Cycle
  • Stage 1: Interphase: Period before cell division occurs.
    • Cell doubles in size
    • Copy the DNA in its nucleus
cell cycle2
Cell Cycle
  • Stage 2: Mitosis
    • One copy of the DNA is distributed into each of the two daughter cells
cell cycle3
Cell Cycle
  • Stage 3: Cytokinesis
    • Cytoplasm divides
cell cycle facts
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

cell cycle facts1
Cell Cycle Facts
  • Some cells divides every 2 hours or less
  • Human Liver cells divides every 22 hours
  • There are about 100 million cells dividing in your body right now!!
  • Most cells divide but human brain cells never divide.
dna replication
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
cancer
Cancer
  • What is Cancer

Mutation: Damage to the DNA

cancer1
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

treating cancer
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.
cancer prevention
Cancer Prevention
  • 2/3 of all cancer deaths are caused by tobacco use or unhealthful diets
  • Smoking is the main cause of lung cancer
cancer prevention1
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.
differentiation
Differentiation
  • As cells differentiate, they become different from one another they also form groups made of other, similarly specialized cells. These groups then form tissues and organs
differentiation1
Differentiation
  • As cells differentiate, they become diff_____ from one another.

errent

stem cells
Stem Cells
  • Stem Cells respond to specific needs in the body by becoming a spec____zed ce___

iali

ll

cell cycle quiz groups of 3 students
Cell Cycle Quiz: Groups of 3 students

Back of the card

Front of the card

Name of the Phase:

Mitosis: Prophase

Summary of the Phase:

Spindle Fiber, Centromere & Chromatids form.

  • Each student will create a card
  • The group will arrange their cards in order
  • Students in each group will quiz each other with their flash cards
  • Apprentices will come around and quiz and grade each of the group