Assembling life : how can life begin on earth and other habitable planets? David W. Deamer

Assembling life : how can life begin on earth and other habitable planets? David W. Deamer – Ebook Instant Download/Delivery ISBN(s): 9780190646387,0190646381,9780190646400,0190646403

Product details:

• ISBN 10: 0190646403
• ISBN 13: 9780190646400
• Author: David W. Deamer 

In Assembling Life, David Deamer addresses questions that are the cutting edge of research on the origin of life. For instance, how did non-living organic compounds assemble into the first forms of primitive cellular life? What was the source of those compounds and the energy that produced the first nucleic acids? Did life begin in the ocean or in fresh water on terrestrial land masses? Could life have begun on Mars?

The book provides an overview of conditions on the early Earth four billion years ago and explains why fresh water hot springs are a plausible alternative to salty seawater as a site where life can begin. Deamer describes his studies of organic compounds that were likely to be available in the prebiotic environment and the volcanic conditions that can drive chemical evolution toward the origin of life. The book is not exclusively Earth-centric, but instead considers whether life could begin elsewhere in our solar system. Deamer does not propose how life did begin, because we can never know that with certainty. Instead, his goal is to understand how life can begin on any habitable planet, with Earth so far being the only known example.

Table contents:

1. The Early Earth: An Ocean with Volcanoes

2. Geochemical and Geophysical Constraints on Life’s Origin

3. Hydrothermal Conditions Are Conducive for the Origin of Life

4. Sources of Organic Compounds Required for Primitive Life

5. Self-Assembly Processes Were Essential for Life’s Origin

6. Condensation Reactions Synthesize Random Polymers

7. Bioenergetics and Primitive Metabolic Pathways

8. Testing Alternative Hypotheses: Simulating the Prebiotic Environment

9. Cycles, Compartments, and Polymerization

10. Integrating Chemistry, Geology, and Life’s Origin

11. Where to Next? Unsolved Questions

12. Prospects for Life on Other Planets

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