Which of the following is not true about Darwin’s book On the Origin of Species?
a.
He worked on the manuscript for three years.
b.
It was successful.
c.
It explained his theory of evolution.
d.
It was based on his findings in South Africa.

D

Explanation: he did not base his findings in Africa, they were based around his studies in the Galapagos islands.

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.