1. Identify the cell parts indicated in the diagram below, and describe the functions of each.

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3. As a cube increases in size from 3 centimeters to 5 centimeters to 7 centimeters on a side, how does the surface area to volume ratio change?

4. Name three structures or activities found in eukaryotic cells but not in bacteria or archaea.

5. Cite two types of evidence in support of the endosymbiont theory.

1. Describe the structures and functions of each of the following organelles:

2. Describe the events of secretion.