An organic compound consists of which of the following elements? a. carbon b. helium c. potassium d. all of the above

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

When a cell is in a solution that has the same concentration of water and solutes as its cytoplasm, the cell is said to be in a(n) solution. a. isotonic b. hypotonic c. hypertonic b. facilitated