Which structural characteristic is found in prokaryotic cells, but not eukaryotic cells?
a. a nucleoid b. lysosomes c. cilia d. cell wall

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

When the solution concentration on the outside of a cell is greater than thesolution concentrate on the inside of the cell, what type of solution is the cellwithin?