Rachel Solomon September 18, 2015
Partners: Julia, Rebecca, and Isabella
Pre lab questions
1. A human cells surface area is 0.0006mm .
Its volume is 1 multiplied by 10 .
Its surface area to volume ratio is 0.0006 divided by .0001. Which
The History of Life on Earth
Earth = 4.6 billion years old
First life forms appeared ~3.8 billion years ago
How did life arise?
1. Small organic molecules were synthesized
2. Small molecules macromolecules (proteins,