Cell Theory Microscopes and Parts of a Cell

The second part of Cell Theory states: "All living organisms are made up of cells."

• True
• False
• I don't know
• If you say so

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NGSS.MS-LS1-1

______________ are the basic unit of life.

• DNA
• RNA
• Cells
• Takis

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Why are microscopes important when studying most cells?

• Most cells are very large.
• Most cells are very small.  
• Most cells move very quickly.
• Most cells are dead.  

All organisms are made of:

• organelles
• cytoplasm
• DNA
• cells

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NGSS.MS-LS1-1

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Rocks are not living because

• they never move
• they aren't needed for humans
• they are not made of cells
• they don't break down

There are three parts to the cell theory. Which is NOT one of those parts?

• All organisms are composed of one or more cells.
• The cell is the basic unit of structure and organization in organisms.
• Cells spontaneously arise from carbon and nutrients carried in the bloodstream.
• All cells come from pre-existing cells.

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NGSS.MS-LS1-1

What is the name of the structure labeled #10?

• objective lens
• ocular lens
• aperture
• nosepeice

A microscope has an ocular magnification of 10 and a high power objective magnification of 50. What is the highest total magnification of the microscope?

• 500x
• 400x
• 50x
• 40x

What is wrong this how the student is carrying the microscope in the image?

• They are using two hands.
• They are carrying it close to their body.
• The plug is not wrapped around the base.
• They are walking. 

When looking at a specimen on your slide, you should always start with the

• low objective lens (x4)

• medium objective lens
• high objective lens
• super extra high power lens