#Question id: 11314
#Unit 10. Ecological Principles
What type of organism produces acids that degrade rocks and minerals?
#Question id: 12782
#Unit 10. Ecological Principles
#Question id: 5820
#Unit 8. Inheritance Biology
A new chemical pesticide developed for agricultural use was subjected to the Ames test. The rate of mutation seen in samples treated with the pesticide and liver extract was approximately half that of the samples treated with the liver extract alone; in samples treated with only pesticide, the mutation rate was about the same as that of untreated samples. Which of the following statements could you make about this pesticide?
#Question id: 2992
#Unit 2. Cellular Organization
DNA was isolated from three different cell types of the same organism, the relative DNA content for each type was determined, and the results were plotted on the graph shown in the figure below. Refer to the graph to answer the following questions. Which sample of DNA might be from a cell that stopped the process of cell division in G0 phase of the cell cycle prior to meiosis?
#Question id: 11646
#Unit 7. System Physiology – Animal
Which of the following statements about antidiuretic hormone is true?