Which of the following is not one of the main components of the cell theory? cells must contain dna all cells come from other cells all living things are made of cells

All cells have the same genetic information, but do not express the same genes. how is this possible? question 10 options: the differences are due to gene expression, which can be turned on and off. genetic material in a muscle cell is completely different from genetic material in a skin cell. genetic material is the same in all cells in the human body, except for reproductive cells. differences are due to major changes in genetic information from cell to cell.

What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid

9. the history of life on earth is recorded in