• 2021-04-14
    对一双链DNA而言,若一条链中(A+G)/(T+C)= 0.7,则: (1)互补链中(A+G)/(T+C)= ? (2)在整个DNA分子中(A+G)/(T+C)= ? (3)若一条链中(A+ T)/(G +C)= 0.7,则互补链中(A+ T)/(G +C)= ? (4)在整个DNA分子中(A+ T)/(G +C)= ?