Examlex
In eukaryotes, activator proteins bind to _____; generalized transcription factors bind to _____.
Meteorite Impact
The collision of a meteorite with the Earth, creating craters and sometimes affecting climate and biological evolution.
Sea Bottom
The lowest part of a sea or ocean, consisting of sediment and the underlying bedrock.
Time Period
A length of time during which a sequence of events occurs, often used to identify historical or geological eras.
First Organisms
The first organisms refer to the earliest forms of life on Earth, which are believed to be simple, single-celled organisms that appeared billions of years ago.
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