General Biology Crossword

12345678
Across
  1. 1. The reaction center chlorophyll (or the primary electron donor) of photosystem II that is most reactive and best in absorbing light at wavelength of 680 nm
  2. 4. a colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
  3. 5. a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.
  4. 6. a copper-containing protein that mediates electron-transfer. It is found in a variety of plants, where it participates in photosynthesis.
  5. 8. a colorless, transparent, odorless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.
Down
  1. 1. a benzoquinone that acts as a primary electron carrier in the photosynthetic tissues of higher plant as well as in cyanobacteria
  2. 2. small proteins containing iron and sulfur atoms organized as iron–sulfur clusters.
  3. 3. the main type of sugar in the blood and is the major source of energy for the body's cells.
  4. 6. a particle representing a quantum of light or other electromagnetic radiation. A photon carries energy proportional to the radiation frequency but has zero rest mass.
  5. 7. nicotinamide adenine dinucleotide phosphate