Correct answer: c) Backbone—a phosphate group and a sugar
d) Rungs—bases
The DNA molecule is made up of a molecule called as a nucleotide. It consists of a Phosphate group, nitrogenous base, and a sugar group.
Each nucleotide molecule contains the four nitrogenous bases called as guanine [G], cytosine [C], adenine [A] and thymine [T], the pentose sugar and a phosphate group.
The rungs of the DNA strand are made up of nitrogenous bases and backbone of the DNA strand are composed of sugar and phosphate group.
In 1915 based off the fact that i just looked it up and got the answer
Explanation:
What is the name of this website
or the book?
I don't to be honest I barely past health with a b+
I would say burning a campfire would contribute most to climate change over the others.
C)
