Prior to the invention of microscopes

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Reference no: EM133651287

Questions

Chapter 4.

1. Prior to the invention of microscopes, no one knew that organisms were comprised of cells. Who described the first cell? State the cell theory.

2. How many millimeters (mm) are in a meter? How many centimeters (cm) in a meter? How many millimeters in a cm?

3. This should be a review question from Chapter 1: What are the two main categories of cells? Describe several key structural differences between the two main categories of cells.

4. Identify two key structural differences between plant cells and animal cells (ie. name two structures present in plant cells that do not occur in animal cells).

5. Describe what is meant by a phospholipid bilayer (be sure to include a brief discussion about the hydrophobic central region, as well as the hydrophillic outer layer). Why is this important and what does fluid mosaic mean?

6.What is the function of the nucleus of a cell? What about DNA?

7. Explain the functions of ribosomes.

8. What are the functions of lysosomes and vacuoles as they relate to the Golgi complex?

9. Briefly state the function of chloroplasts, mitochondria and cilia and flagella.

Reference no: EM133651287

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