QUICK TEST ENDS IN 5 MINUTES
Which of the following are parts of the cell theory? *
All organisms are made of one or more cells.
The cell is the basic unit of structure and function in organisms.
All cells come from pre-existing cells.
All of the above.

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Dna replication or repair occurs in a cell in all of thw following situations except when

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome