Asystem is a group of related parts with specific roles that work together to achieve an observed result. which of the following are the main parts of the circulatory system?
a.
red blood cells and white blood cells
b.
the human body and its organ systems
c.
the brain and spinal cord
d.
heart, blood, and blood vessels

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Diffusion and osmosis are forms of passive transport

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.