1 / 7

Fig. 25-7

Ceno- zoic. Meso- zoic. Humans. Paleozoic. Colonization of land. Animals. Origin of solar system and Earth. Fig. 25-7. 4. 1. Proterozoic. Archaean. Prokaryotes. years ago. Billions of. 3. 2. Multicellular eukaryotes. Single-celled eukaryotes. Atmospheric oxygen.

alia
Download Presentation

Fig. 25-7

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Ceno- zoic Meso- zoic Humans Paleozoic Colonization of land Animals Origin of solar system and Earth Fig. 25-7 4 1 Proterozoic Archaean Prokaryotes years ago Billions of 3 2 Multicellular eukaryotes Single-celled eukaryotes Atmospheric oxygen

  2. Fig. 25-2

  3. CH4 Water vapor Electrode NH3 H2 LE 26-2 Condenser Cold water Cooled water containing organic molecules H2O Sample for chemical analysis

  4. 20 µm Glucose-phosphate Fig. 25-3 Glucose-phosphate Phosphatase Starch Amylase Phosphate Maltose (a) Simple reproduction by liposomes Maltose (b) Simple metabolism

  5. Ribozyme (RNA molecule) 3¢ Template LE 26-5 3¢ Nucleotides Complementary RNA copy 5¢ 5¢

  6. RNA transcript (pre-mRNA) 5¢ Intron Exon 1 Exon 2 Protein Other proteins snRNA snRNPs Spliceosome Modern evidence of early RNA dominance - RNA world LE 17-11-1

  7. Spliceosome 5¢ LE 17-11-2 Spliceosome components Cut-out intron mRNA 5¢ Exon 2 Exon 1

More Related