Which of the following elements are essential for the synthesis of DNA?

1 ⤊

a. calcium and magnesium
b. phosphorus and nitrogen
c. sulfur and magnesium
d. magnesium and potassium

2007-08-29 21:00:20 · 3 answers · asked by arnelle 2 in Science & Mathematics ➔ Biology

You have to have nitrogenous bases and phosphates besides deoxypentose sugars to make DNA.
The answer is: b

2007-09-02 01:27:12 · answer #1 · answered by Ishan26 7 · 0⤊ 0⤋

B

(Come on! You should know this!)

2007-08-30 08:31:23 · answer #2 · answered by Anonymous · 0⤊ 0⤋

2007-08-29 21:09:38 · answer #3 · answered by Anonymous · 1⤊ 0⤋