Gray matter
a) replaces white matter in middle childhood.
b) consists largely of myelinated nerve fibers.
c) increases steadily throughout childhood and adolescence.
d) declines as synaptic pruning and death of surrounding neurons proceed.

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

There are six elements that make up most of the human body. which of the following is not one of these six elements?

Taq polymerase is an enzyme isolated from the organism thermophilus aquaticus. this organism has been found living in the hot springs of yellowstone national park. this enzyme is used to copy human dna from crime scenes. most reactions are performed at ranges similar to those of the human body; however, what considerations should be made for optimum use of this enzyme? view available hint(s)taq polymerase is an enzyme isolated from the organism thermophilus aquaticus. this organism has been found living in the hot springs of yellowstone national park. this enzyme is used to copy human dna from crime scenes. most reactions are performed at ranges similar to those of the human body; however, what considerations should be made for optimum use of this enzyme? the enzyme will not work on human dna.nothing should be altered.the ph should be decreased.the temperature should be raised.