Question

in biology, cell theory is a scientific theory first formulated in the mid - nineteenth century. it has three tenets: 1. living organisms are made up of cells. 2. cells are the basic structural/organizational unit of all organisms. 3. all cells come from pre - existing cells. which of these statements is not supported by the cell theory? a plant cells differ from animal cells. b stem cells differentiate into muscle cells. c skin cells undergo mitosis to make more skin cells. d macromolecules are the basic building blocks of organisms.

Explanation:

The cell theory states that living organisms are made of cells, cells are the basic unit of organisms, and all cells come from pre - existing cells. Option D says macromolecules are the basic building blocks of organisms, which goes against the idea that cells are the basic unit as per cell theory. Options A, B, and C are consistent with cell - related concepts and do not conflict with the cell theory.

Answer:

D. Macromolecules are the basic building blocks of organisms