"trace chains (n): the chains that connect a horse's harness to a vehicle."
What does a trace of keystones mean in a urine test mean?
Depending on what you mean by "trace", the answer could be yes or no.
means to out line
It means a trace back to airline.
The most likely cause is weak chains or faulty equipment.
110 AA mean in immunoglobulin chains refers to the number of amino acids in a single domain
What does a trace of keystones mean in a urine test mean?
Chains
Trololololol
why did the early scholars reject fossils as a mean to trace human evolution
This depends on the context in which you are using rastrear. It can mean to trace, to trail or to track.
Trace a means the first trait that shows up in DNA when talking about urinalysis