If a dna double helix is gradually heated, which bonds in the molecule will break first (are the weakest)?
a. bonds between the nitrogenous bases
b. bonds between the bases and the sugars
c. bonds between the sugar and phosphate within a nucleotide
d. bonds between the sugar and phosphate of adjacent nucleotides

In 1992, hurricane andrew left a wake of destruction through florida. one victim of the storm was a reptile-breeding facility. over 900 burmese pythons were set free, and today thousands of pythons live in florida. these pythons are an invasive species, or a harmful species not native to the region. 1. what impacts do you think the burmese pythons might have on local ecosystems

What is usually (but not always) related to the metabolic processes of living organisms in its organic form?

List five ways we are indebted to phytoplankton