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masteringbiology

ch 3 H.W.

QuestionAnswer
If a strand of DNA has the nitrogen base sequence 5'-ATTTGC-3', what will be the sequence of the matching strand? 3'-TAAACG-5'
If a DNA double helix is 100 nucleotide pairs long and contains 25 adenine bases, how many guanine bases does it contain? 75
The two strands of a DNA double helix are held together by _____ that form between pairs of nitrogenous bases. hydrogen bonds
A nucleotide is composed of a(n) _____. phosphate group, a nitrogen-containing base, and a five-carbon sugar
DNA is composed of building blocks called _____. nucleotides
DNA has the appearance of a _____. double helix
Created by: colecoe
 

 



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