The answer is the Precapillary sphincter
A.Cladograms, because those are diagrams, all the rest contribute to natural selection.
Answer:
Sigma factors bind to the promoter region of a particular gene and facilitating the binding of RNA Polymerase to the promoter region (formation of the RNA polymerase holoenzyme complex) in order initiate transcription of the gene.
Put simply - Helps RNA Polymerase do it's job.
The physiological basis for having your daughter continue is
through the way she moves in which up until now, she hasn’t been moving
smoothly like other child but rather than awkward. Through this, the mother
would likely think that she should let her daughter drop out from that class
because she doesn’t seem to have any improvement and if she were to have an
improvement with her movements, then the mother would likely let her daughter
to continue.