Cell theory 3.1

When observing cells, which of the following pieces of equipment is most appropriate?

• Hand lens
• Telescope
• Petri dish
• Microscope

Which of the following statements supports the cell theory as it is stated today?

• Not all cells are alive.
• Cells must contain a nucleus.
• All abiotic are composed of more than one cell
• Cells come from preexisting cells through cell division.

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______________ are the basic unit of life.

• DNA
• RNA
• Cells
• Takis

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All organisms are made of:

• organelles
• cytoplasm
• DNA
• cells

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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.  

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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All existing cells are produced by other

• living cells
• dead cells
• atom cells
• animal cells

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Which one is NOT part of the cell theory?

• Cells are the basic unit of life
• All cells come from preexisting cells
• All living things are made up of atoms
• All living things are made up of cells

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NGSS.MS-LS1-1

All organisms are made of:

• organelles
• cytoplasm
•  cell walls
• cells

Which Scientist was the first to view cells through a microscope?

• Leewenhoek
• Virchow
• Hooke
• Schwann