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Cell Structure & Function. Cells and Heredity Chapter 1.2 (pgs 23-31). Inside the Cell. Humans are made up of several bodily systems ( Respiratory, Nervous, Digestive ) that utilize organs Cells have similar structures, called organelles . Entering a Cell.

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Cell structure function

Cell Structure & Function

Cells and Heredity

Chapter 1.2 (pgs 23-31)


Inside the cell
Inside the Cell

  • Humans are made up of several bodily systems (Respiratory, Nervous, Digestive) that utilize organs

    • Cells have similar structures, called organelles.


Entering a cell
Entering a Cell

  • Animal cells have only a Cell Membrane, which allows materials in & out of the cell.


Entering a cell1
Entering a Cell

  • Cells are held together with a Cell Wall

    • Found only in plant cells

    • Rigid layer made of cellulose


The nucleus
The Nucleus

  • The “brain” of the cell

    • Controls all aspects of the cell’s activity

  • Has a Nuclear Membrane

    • Protects the Nucleus just like the Cell Membrane.


Into the cytoplasm
Into the Cytoplasm

  • The area inside the cell is called the Cytoplasm, which is constantly churning

    • Contains many organelles.




The er
The ER

  • The Endoplasmic Reticulum is the passageway that materials travel along

  • Ribosomeson the ER are protein factories, to build & repair cells

  • Golgi Bodies package and ship materials to other parts of the cell.





What to work on
What to Work On requires…

  • Read Section 1.2, pages 24-31

  • Answer Section Review questions (#1-4) on page 31


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