Paper chromatography was used to produce the result seen below. Which of the bands would be the least likely to absorb yellow wavelengths of light during photosynthesis? A. band marked A
B. band marked D
C. band marked C
D. band marked B

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.

What is the primary function of the nervous system?