You know that you get half your
dna from your mom, half from your
dad. does this mean you got one-quarter
of your dna from each of your grand-
parents? explain your reasoning.

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis

Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart

Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false