Which of the following statements about DNA structure is CORRECT ?

Question

Which of the following statements about DNA structure is  CORRECT ?

Accepted Answer

Deoxyribose is a pentose sugar

Answer

Base-pairing refers to the formation of covalent bonds between complementary nucleotides

Answer

Thymine always base-pairs with uracil

Answer

Cytosine and guanine are pyramidines

Answer

The phosphate groups of DNA nucleotides give DNA molecules an overall positive charge

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