According to cell theory, which of the following best describes the role of cells in living organisms? a. cells join together to form multicellular organisms. b. cells are the basic operating units of living organisms. c. cells make up the soft portions of tissues in living organisms . d. cells are responsible for coordinating activities in multicellular organisms.

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous