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Elodea cells were placed in solutions that were either isotonic, hypertonic, or hypotonic (relative to the Elodea cell contents). You mixed up your labels, but know that one of each solution was used in your experiment.  (Hint: plants have central vacuoles). Given the appearance of the cells in image C, the SOLUTION  must be ___________________ compared to the Elodea cells.

The diagram shows a starting cell (A) and the cells resulting from that division. 1. Which stage is cell A in? Be specific.  (1 point) 2. How do you know? (1 point)

Which of the following items SHOULD be disposed of in the receptacle shown in the image below? (Select all that apply).

Which of the following items SHOULD NOT be disposed of in container in the image below? (Select all that apply)

The data shows the results from a test cross in peas. Green coloration (G) is dominant over yellow coloration (g), and smooth texture (S) is dominant over wrinkled texture (s). Based upon the information given, what would have been the genotype of the unknown individual?

Elodea cells were placed in solutions that were either isotonic, hypertonic, or hypotonic (relative to the Elodea cell contents). You mixed up your labels, but know that one of each solution was used in your experiment.  (Hint: plants have central vacuoles). Given the appearance of the cells in image B, the SOLUTION must be ___________________ compared to the Elodea cells.

When extracting DNA from plant cells, wheat germ and strawberries are common sources of DNA because they are polyploidy.  Why is this important?

When red blood cells are kept in a HYPOTONIC solution, the cells

To extract DNA from wheat germ we used Palmolive soap to break open the nuclear membranes. What is the equivalent we used to extract DNA from your (or your lab mate’s) cheek cell?

Which of the following are example (s) of treating or maintaing good water quality?