Examlex
Solve the problem.
-The charcoal from a tree killed in a volcanic eruption contained 68.2% of the carbon-14 found in living matter. How old is the tree, to the nearest year? Use 5700 years for the half-life of carbon-14.
Molecular Switch
A molecular mechanism wherein a molecule changes its structure in response to environmental signals, leading to a functional change.
Gene Expression
The process by which information from a gene is used to synthesize functional gene products (often proteins) that can affect a cell's structure and function.
Promoter
The nucleotide sequence in DNA to which RNA polymerase attaches to begin transcription.
Labeled
Marked with identifiers or tags for ease of identification or explanation.
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