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Pretest: Energy Use and Organisms
12
Select the correct answer.
What's the role of oxygen in cellular respiration?
ОА
ОВ.
It accepts electrons and keeps the electron transport chain running.
It breaks down carbon-based sugar molecules to release energy and forms carbon dioxide.
It combines with hydrogen ions in sugar molecules to release energy and form water.
It supplies electrons to the electron transport chain to keep it running.
ос.
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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 process creates gametes? a. fertilization b. mitosis c. meiosis

What will a hypothesis become if supported by repeated expermentation