Across
- 4. a grayish or reddish granular cell that is the fundamental functional unit of nervous
- 6. physical material from which something is made or which has discrete existence
- 7. a method reconciling practical ends with scientific laws
- 8. any of the rod-shaped or threadlike DNA-containing structures of cellular organisms
- 9. the smallest particle of an element
Down
- 1. The definition of a protein is a substance that has amino acids
- 2. any of various nucleic acids that are usually the molecular basis of heredity
- 3. a subordinate group or organization that performs specialized functions
- 5. an operation to test a hypothesis and illustrate a known law
- 8. is the basic structural, functional, and biological unit of all known living organisms