Biology Crossword

123456
Across
  1. 4. Without oxygen
  2. 5. a series of chemical reactions that break down glucose to produce ATP
  3. 6. chemical process in which oxygen is used to make energy from carbohydrates (sugars)
Down
  1. 1. another anaerobic (non-oxygen-requiring) pathway for breaking down glucose
  2. 2. fluid-like substance that fills the space
  3. 3. folded membranes