Questions for Life's Rocky Start

Read the article Life's Rocky Start by Robert Hazen, Scientific American April 2001. Answer these questions in complete sentences.

  1. What five significant functions could minerals have played in the first life-inducing chemical reactions?
  2. What pertinent experiment was performed in 1953 ?
  3. How did a discovery in 1977 change the possible venue for life's origin on Earth?
  4. Explain how calcite and chance were involved with life on Earth having left-handed amino acids.
  5. What do ammonia synthesis and carbon fixation at deep-sea hydrothermal vents have in common?
  6. What key property of life might have emerged in a mineral-ordered ancient Earth environment?
  7. Discuss how the author structured the article around the five significant mineral functions.