Who first recognized the cell as the universal unit of life?
virchow
van leeuwenhoek
hooke
schleiden and schwann

Where can a dna be found in a prokaryotic cell

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

Casts and mold are a type of preservation where the original material decays, leaving a mold in surrounding rock that can be filled with another sediment a. true b. false