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Chapter 1 Cells

Chapter 1 Cells. Section Reviews and Chapter Review. 1.1. 1.) In your own words, write a definition for the term organelle. An organelle is a tiny organ within a cell that has its own unique function or job. 1.1. 1.1.

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Chapter 1 Cells

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  1. Chapter 1Cells Section Reviews and Chapter Review

  2. 1.1 1.) In your own words, write a definition for the term organelle. • An organelle is a tiny organ within a cell that has its own unique function or job.

  3. 1.1 1.1 2.) Use the following terms in the same sentence: Prokaryotic, nucleus, and eukaryotic • A prokaryotic cell is a cell that does NOT have a nucleus while a eukaryotic cell does have a nucleus.

  4. 1.1 3.) Cell size is limited by the • A. Thickness of the cell wall • B. Size of the cell’s nucleus • C. Cell’s surface area-to-volume ratio. • D. Amount of cytoplasm in a cell

  5. 1.1 4.) What are the three parts of the cell theory? • 1.) All organisms are made of one or more cells. • 2.) The cell is the basic unit of all life. • 3.) All cells come from existing cells.

  6. 1.1 5.) Name three structures that every cell has. • All cells have a cell membrane. • All cells have cytoplasm. • All cells have genetic material (DNA).

  7. 1.1 6.) Give two ways that archaebacteria are different from eubacteria • Archaebacteria have a different type of cell wall and cell membrane and, • Archaebacteria have different ribosomes. • More like those of eukaryotes.

  8. 7.) You have discovered a new single-celled organism. It has a cell wall, ribosomes, and long, circular DNA. Is it a eukaryote or prokaryote? Explain. • The organism is a prokaryote because; • It has long circular DNA and • Doesn’t have a nucleus.

  9. 8.) One of your students brings you a cell about the size of a period at the end of a sentence. It is a single cell, but it also forms chains. What characteristics would this cell have if the organism is a eukaryote? • If the cell were a eukaryote it would have the following; • A nucleus • Membrane bound organelles

  10. 8.) Continued: Prokaryote • If the cell were a prokaryote you would not see a nucleus

  11. 9.) What type of organism does the picture show? • It is a prokaryote because it does not have a nucleus. It has long circular DNA instead.

  12. 10.) Which structure helps the organism move? • The flagellum helps the prokaryotic organism move.

  13. 11.) What part of the organism doest the letter “A” represent? • Letter “A” represents the DNA for the prokaryotic cell. A

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