This is a nucleotide. Using the diagram, identify the parts of a DNA nucleotide. A)
A: phosphate group
B: deoxyribose
C: nitrogenous base
B)
A: phosphate group
B. ribose sugar
C: nitrogenous base
c)
A: phosphate group
B: nitrogenous base
C: deoxyribose
D)
A: phosphate group

B: nitrogenous base
C: ribose sugar

According to the article, what valid claim came from the national research council? there is no association between fluoride exposure and increased cancer risk in humans. there is a possible link between fluoride exposure and increased cancer risk in humans. there is a definite link between fluoride exposure and increased cancer risk in humans.