Cell Structure

Multiple Choice

Warm up: What is the most complex part level of organization?

• Organ System

• Organism

• Organ

• Tissue

Multiple Choice

Which is part of Cell Theory?

• All living things are composed of cells.

• Plants and animals have cells.

• Cells spontaneously appear.

• Non-living things have cells.

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​There are two major types of cells:

​Cells- The Basic Units of Life

​Plant vs. Animal

​We will discuss 4 organelles and their functions today:

• Cell Wall

• Cell Membrane

• Cytoplasm

• Nucleus

​We will also discuss organelles that are special to plant cells....

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​Actual picture of a plant cell under a microscope

​

​IMPORTANT TO KNOW! Only Plant Cells have CELL WALLS

​Notice the boxy, rigid structure of the cell wall

​Color the Cell Wall Dark Green

Multiple Choice

Analogy- which of these is similar to the cell wall?

• Bones in the body

• Jell-o

• Control Tower

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Your Task: Turn and tell your partner why the cell
membrane is like the key to a door? What is
another example or analogy for the cell membrane?

​Actual picture of an animal cell under a microscope.

Notice the cell membrane is soft, not rigid.

Multiple Choice

What analogy can we compare the cell membrane to?

• Tower

• The Mayor

• Doorman

• Bones in the body

​Color the Cell Membrane Dark Blue

​Plant Cell

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​Color the Cytoplasm Light Blue

​Plant Cell

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The nucleus holds the cell's genetic information- the coding known as DNA. This coding is what determines if we will have brown hair or curly hair or will be tall or short. It also helps cells reproduce.
The nucleus is the cell's control center. It controls and directs all of the activities of the cell.

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​Color the Nucleus Light Purple and Nucleolus Dark Purple

​Plant Cell

Multiple Choice

​What organelle controls what happens in the cell?

• Cytoplasm

• Nucleus

• Cell Wall

• Cell Membrane

Multiple Choice

​The jelly-like organelle inside of a cell is called...

• Jell-o

• Cytoplasm

• Nucleus

• Cell Membrane

Poll

What do you think would happen to a cell if it did not have a nucleus?

• Nothing, the nucleus is not important.

• The cell would die immediately, since it is the brain of the cell.

• The cell would grow a new nucleus.

Multiple Choice

What cell structure allows things to goes in and out of the cell?

• Cell Wall

• Cytoplasm

• Cell Membrane

• Nucleus