List four cell structures that were common to both plant and animal cells. (4 points)

What structures were unique to plant cells? (2 points)
What structures were unique to animal cells? (2 points)

List five structures observed in the cell images and provide the function of each structure. (5 points)

Structure 1 and function
Structure 2 and function
Structure 3 and function
Structure 4 and function
Structure 5 and function

The student is observing a single-celled organism under a microscope and notice that it has a nucleus and is covered in small, hair-like structures.

Provide a probable name for this organism (1 point)
Explain why the student came to this conclusion. (2 points)

Where in the cell are the chloroplasts located? (5 points)
In the Spirogyra cells that you observed on the virtual microscope, about how many circular green chloroplasts could you count in a single cell? (2 points)
What were the percent differences between the volumes of the potatoes in the osmosis experiment for each salt solution? (8 points)


What extraneous variables might have affected how the results came out in the osmosis experiment? Describe three. (6 points)

In osmosis, which direction does water move with respect to solute concentration? (2 points)

Explain what would happen to a freshwater unicellular organism if it were suddenly released into a saltwater environment. Use the terms isotonic, hypotonic and hypertonic in the answer. (3 points)
What would happen if a marine organism were placed in freshwater? (3 points)

The student purchases and weighs five pounds of carrots from a local grocery store. The student notices that the grocery store constantly sprays its produce with distilled water. After returning home, the student...

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