Since all living things contain DNA, how can there be so many kinds of living organisms and not just one?
A) all species have the same DNA, but each uses only those sections appropriate for the species
B) the order of the bases is unique, not only for each species but for almost every individual as well
C) all living things have the same DNA but make variable RNAs when producing the proteins that make each species unique
D) different species read or decode the nucleotide sequence in different ways
E) this remains one of the great unanswered questions in biology
Answer: B) the order of the bases is unique, not only for each species but for almost every individual as well
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1.True 2.False
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because the human body cannot synthesize them? a. 2 b. 5 c. 8 d. 10 e. 12
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A) 20% B) 10% C) 5% D) 1.5%
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