Carbon 14 degrades to form nitrogen and has a half life of 5730 years. As a single millenium (1000 years) passes, in a bone (which contains carbon isotopes in the proportions normally found on Earth), what should happen to the amount of Carbon 14 relative to the amount of Nitrogen over that time?
Blog
During the depolarization event in a neuron or a muscle, the…
During the depolarization event in a neuron or a muscle, the first ion to move down its concentration gradient (to diffuse) is _________.
An ancient archaic cell engulfed a cyanobacterium and allowe…
An ancient archaic cell engulfed a cyanobacterium and allowed it to form a mutualistic relationship, because the cyanobacterium produced sugars that were usable by the archaic cell. The descendants of this archaic cell also inherited the cyanobacterial descendants of that first mutualistic cell, and thus were the first chloroplasts generated. This story describes a history of evolution which characterizes the ….
Which of these determines it’s embryonic cell’s fates the ea…
Which of these determines it’s embryonic cell’s fates the earliest during development?
The development of what led to land becoming colonized by an…
The development of what led to land becoming colonized by animals and plants? Prior to this, there was too much ultraviolet radiation which scoured the land and killed all organisms on it.
A Nematode has a ….
A Nematode has a ….
Where was this fresco found?
Where was this fresco found?
Which of the below is a grave good unique to Mycenaean shaft…
Which of the below is a grave good unique to Mycenaean shaft graves?
True or False: The Uluburun Shipwreck provides evidence for…
True or False: The Uluburun Shipwreck provides evidence for widespread movement of luxury goods across the Mediterranean and into the Near and Far East in the LBA, with Mycenaean elites as probable participants.
True or False: The Treasury of Atreus at Mycenae is where th…
True or False: The Treasury of Atreus at Mycenae is where the Mycenaeans conducted palatial financial transactions.