The Janus Green B stain should allow you to see mitochondria within the cells obtained from your cheek sample. Describe below the observations you made about the number of mitochondria per cell and their relative distribution and size within the cytoplasm of cheek cells. Compare and contrast what you observed with the prepared slide you observed in Section E4 for Liver mitochondria. What function do mitochondria have within cells?

Liquid water turns into water vapor at which step in the water cycle? a. precipitation o b. water run off c. evaporation d. condensation

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a. one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b. one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c. one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.

Vessels draining the myocardium of the heart, open primarily ,into which chamber?