we need the cholride solution Part B to answer your question
4 is correct for this one
The nitrogenous bases on the two strands of DNA pair up, purine with pyrimidine (A with T, G with C), and are held together by weak hydrogen bonds. Watson and Crick discovered that DNA had two sides, or strands, and that these strands were twisted together like a twisted ladder -- the double helix.Mar
One mole Hydrogen need 1/2mol O_2 .
Moles of Hydrogen
Moles of O_2
