Question

Cells are the basic units of life in living organisms. Which of the following components make up cells?
A.
tissues and organs
B.
atoms and molecules
C.
molecules and organs
D.
atoms and tissues

Answer 1

The correct answer is **B. atoms and molecules**. Cells are composed of various molecules, which in turn are made up of atoms. Tissues and organs are composed of cells, but they do not make up the cells themselves.