This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: science. It is subject to physical and chemical laws. All organisms are composed of matter 6) About 25 elements are essential to life. 96% of living matter is made of carbon , hydrogen , oxygen , and nitrogen . Most of 7) Water is the biological medium of Earth; most cells are surrounded by an aqueous environment and cells themselves are a- Hydrogen bonding results in long network of interactions and chains- Hydrogen bonds are relatively weak, but in large amounts they become strong. 8) Water has four properties that facilitate environment for life. Cohesion is a phenomenon in which water molecules are held 9) We use the Celsius scale to measure temperature. A calorie is the amount of heat required to raise the temperature of 1g...
View Full Document
This note was uploaded on 02/27/2010 for the course BIO 1A taught by Professor Schlissel during the Spring '08 term at University of California, Berkeley.
- Spring '08