Which statement is one of the three parts of cell theory? a) the smallest living things are single cells, and cells are the functional units of multicellular organisms. b) there are three types of cells, prokaryotic, eukaryotic plant, and eukaryotic animal. c) cells make up tissues, tissues make up organs, organs make up systems, systems make up organisms. d) cell organelles can be membrane-bound or not membrane-bound.

What type of reaction is zn + cucl2 → cu + zncl2?

The diagram below shows a cell placed in a solution. a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution. only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it. it will expand as water moves into it. it will shrink as water moves into it.

Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction