Introduction to Science

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