Answer:
The only reactants of the Krebs cycle proper are acetyl CoA and the four-carbon molecule, oxaloacetate.
The four base pairs of DNA are adenine, guanine, cytosine, and thymine. Adenine goes with thymine, and guanine goes with cytosine.
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Because they find skeleton of animals of a certain species that died roughly around the same time and place. <span />
They study rocks from both the moon and the earth
Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate (ATP), and then release waste products.
Answer !!! ATP