• Share
  • Email
  • Embed
  • Like
  • Save
  • Private Content
Ch.26   early earth   origin of life
 

Ch.26 early earth origin of life

on

  • 435 views

 

Statistics

Views

Total Views
435
Views on SlideShare
435
Embed Views
0

Actions

Likes
0
Downloads
4
Comments
0

0 Embeds 0

No embeds

Accessibility

Categories

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

    Ch.26   early earth   origin of life Ch.26 early earth origin of life Presentation Transcript

    • Early Earth &the Origin of Life Chapter 26
    • Clock analogy for some key events in evolutionary history
    • Early Earth
    • Louis Pasteur
    • Pasteur and biogenesis of microorganisms (Layer 1)
    • Pasteur and biogenesis of microorganisms (Layer 2)
    • Pasteur and biogenesis of microorganisms (Layer 3)
    • The Miller-Urey experiment
    • RNA may have been the first genetic material
    • Hypothesis for beginning of molecular cooperation• RNA acts as a template to make polypeptides• Polypeptides act as primitive enzymes to replicate RNA• Exclusive relationship evolves with membrane
    • Protobionts: Pre-cells
    • The History of Life
    • 5-Kingdom System
    • Things are Changing…