Biology, 20.09.2020 01:01, davialashay2458
What is one observation that could be made to support the idea that two rock layers
are the same age?
A. layers with different fossils
B. layers of equal density
C. layers made of the same chemicals
D. layers with similar fossils
Answers: 2
Biology, 21.06.2019 22:30, ladnerhailey16
Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials
Answers: 2
Biology, 22.06.2019 04:30, donaji1024perez
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.
Answers: 2
Biology, 22.06.2019 05:00, beiachapman122
What is the farthest destination to date for a human spaceflight mission?
Answers: 1
What is one observation that could be made to support the idea that two rock layers
are the same ag...
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