Which are characteristics of mammals? Check all that apply. internal fertilization
three-chambered heart
I endothermic
highly developed nervous system
several nearly hollow bones
I always live on land

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.

What is the role of dna ligase in the elongation of the lagging strand during dna replication?

Pulmonary arteries carry highly oxygenated blood. true or false?