Multiple ChoiceIn a DNA strand, how can you identify the 5' and 3' ends based on the chemical structure of the sugar-phosphate backbone?1views
Multiple ChoiceThe pairing of nitrogenous bases in DNA is specific because which feature ensures that adenine pairs with thymine and guanine pairs with cytosine?1views
Multiple ChoiceIn double-stranded DNA, guanine (G) always base-pairs with which nitrogenous base?1views
Multiple ChoiceIn the B-form DNA double helix, approximately how many times longer is one helical turn than the diameter (width) of the helix?1views
Multiple ChoiceIn DNA structure, which nitrogenous base forms complementary base pairs with thymine (T) via hydrogen bonds?1views