Cell Theory and Cells Introduction - Review

The cell theory applies to all organisms, including the five shown. Which of the following statements describes how these organisms are an example of the cell theory?

• The organisms have cells that lack a nucleus.

• The organisms are made of one or more cells.

• The cells of the organisms undergo photosynthesis.

• The cells of the organisms are identical to each other.

A plant and an animal are both living things. According to the Cell Theory, what can you conclude about these two very different organisms?

• Plants have cells but animals do not.

• They are both made of one or more cells. 

• They both come from the same kind of cell.

• They both come from a non-living organism.

Which statement was NOT included in cell theory?

• All living things are composed of cells.

• Living cells come only from other living cells.

• Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.

• Cells are the smallest structure of living things that can perform the functions necessary for life.

All living things are made up of...

• cells
• cell tissues
• organ
• organ systems

All cells come from___________ cells.

• pregnant
• pre-existing
• paternal
• pin size

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

Which of the following does not have a nucleus?

• prokaryotes

• eukaryotes

• prokaryotes and eukaryotes

Which of the following needs energy?

• prokaryotes

• eukaryotes

• prokaryotes and eukaryotes

Which of the following has organelles?

• prokaryotes

• eukaryotes

• prokaryotes and eukaryotes

Which of the following has DNA?

• prokaryotes

• eukaryotes

• prokaryotes and eukaryotes