A scientist was testing the accuracy of Chargaff's rule. She noticed that a DNA molecule contains 40% adenine, what are the percentages of each of the other

nitrogenous bases?

O A. 20% cytosine, 20% adenine, 20% guanine

B. 20%thymine, 40% guanine, 40% cytosine

C. 40% thymine, 10% guanine, 10% cytosine

D. 40% uracil, 10% guanine, 10% cytosine

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