With minor exceptions, the genetic code ____
a. is the same for all living organisms and viruses
b. is specialized so that viruses use a different code than all living organisms
c. differs between different organisms and viruses
d. is the same for all viruses and for single-celled organisms, but is more complex in multicellular organisms
e. has three versions: one for viruses, one for single-celled organisms, and one for multicellular organisms
ANSWER: a
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A) increase in PO2 and decrease in PCO2 B) selective decrease in PO2 C) selective decrease in PCO2 D) selective increase in PO2 E) decrease in PO2 and increase in PCO2
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