Biology Forums - Study Force

DNA:a.
   is composed of nucleotide building blocks.
  b. contains uracil instead of thymine.
  c. is single-stranded.
  d. contains pyrimidines and purines in a 2:1 ratio.
  e. contains the sugar ribose.

Question 2

According to Chargaffs rules:a.
   the number of A-T base pairs is always equal to the number of G-C base pairs in all DNA molecules.
  b. the adenine content in any DNA molecule is always equal to the thymine content.
  c. the adenine content in any DNA molecule is always greater than the thymine content.
  d. the guanine content in any DNA molecule is always less than the cytosine content.
  e. there is no relationship between the ratio of purine and pyrimidine content in any DNA molecule.

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I hope they're paying you for this because all of them were correct :lol:

not really, just a volunteer... and you're welcome ;)