Chloroplast origin and integration

From: Plant Physiology | Date: January 1, 2001| Author: McFadden, Geoffrey I | Copyright information

The origin of oxygenic photosynthesis must rank just after the origin of life itself as one of the most significant events in the history of life. The early photosynthesizers, which Bill Schopf has shown were similar to modern cyanobacteria (32), made earth a nicer place to live by quietly cranking out oxygen over hundreds of millions of years. Having established an ozone UV shield, the cyanobacteria then entered into an extraordinary partnership with eukaryotic cells: They became chloroplast...

Read all of this article with a FREE trial to HighBeam Research

Related newspaper, magazine, and journal articles from HighBeam Research

Heavy-duty vertical series toggle clamps. (Products for Profit).(Brief Article)(Product Announcement)
Industrial Distribution ; Heavy-duty vertical series toggle clamps provide exceptional durability in abusive applications; forked lower handles of heavy gauge precision alloy steel casting; hold 660-5200 lbs.; variations include adjustable U-bars, T-handles and stub nosed arms for welding; axles are hardened steel. Jergens,
28 long-length polycrystalline diamond-coated end mills. (Products for Profit).(Brief Article)(Product Announcement)
Industrial Distribution ; 28 long-length polycrystalline diamond-coated end mills added to line; 2 and 4-flute styles, square or ball end; for graphite and other non-metal applications; life extended 10 to 20 times over solid carbide. Niagara Cutter CIRCLE NO. 232
Polyethylene chafe guard wrap resists. (Products for Profit).(Brief Article)(Product Announcement)
Industrial Distribution ; Polyethylene chafe guard wrap resists oils, fuels, detergents and direct sunlight; Heli-Tube[R] spirally cut wrap comes in 10 sizes from 1/8 to 1 -1/2-in. OD for organizing and protecting bundles to 10-in. diameter; apply without tools; spools, boxed or cut to length; abrasion resistant. M.M.
Vacuum cups and suspensions. (Products for Profit).(Brief Article)(Product Announcement)
Industrial Distribution ; Vacuum cups and suspensions provide instant attach and release; fully integrated assemblies put vacuum port at the head, close to objects; designed for automation equipment; flat, single and multi-bellows cups; nitrile, silicone, urethane, Viton, SIA and more available; wide range of sizes, with or
Quick-connect coupling catalog. (Products for Profit).
Industrial Distribution ; Quick-connect coupling catalog available; covers complete line of pneumatic and hydraulic couplings, nylon and polyurethane selfstoring hose assemblies, and blow guns; ordering information, specifications, technical data included; industry-specific designs and North American interchanges listed.