Unit 3 Test Cells

What is your last name?

2. Not all cells are alike. Which of the following is NOT a true statement about differences between cells?

• Cells come in many different shapes.
• Different kinds of cells are different sizes.
• Some cells have a nucleus, but others do not.
• Most cells have a membrane, but some do not.

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4. Which principle of cell theory best supports the idea that new cells will replace damaged cells in a scraped knee?

• All living things are made of one or more cells.
• Cells are the basic unit of life.
• All cells come from other cells.
• The nucleus of cells in animals reproduces when exposed to air.

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Which scientist reported that all cells came from preexisting cells ?

• Virchow
• Schwann
• Schlieden

Who was the first person to identify and see cells?

• Rudolf Virchow
• Robert Hooke
• Richard Marrow
• Ronald Keeper

1. Which of the following enclose their DNA in a nucleus?

• prokaryotes
• bacteria
• eukaryotes
• viruses

3. Which of the following organisms is an example of a prokaryote?

• plants
• animals
• bacteria
• fungi

5. Where can you find ribosomes in the cell?

• cytoplasm
• rough ER
• smooth ER
• cytoplasm and rough ER
• smooth ER and rough ER

6. In the image below, which structure stores materials, such as water, salts, proteins, and carbohydrates?

• structure 4
• structure 1
• structure 3
• structure 7
• structure 9

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7. Which organelle converts the chemical energy stored in food into a more useable energy source (ATP) through the process of cellular respiration?

• chloroplast
• Golgi apparatus
• endoplasmic reticulum
• mitochondria

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