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

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

1. what is the relationship between the shape of an enzyme and the reactions they catalyze?

2. how does an enzyme inhibitor work?

separate your answers so i dont get confused : )

linnaeus is the father of taxonomy, which is the system of classifying and naming organisms. one of his contributions was the development of a hierarchical system of classification of nature. today, this system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.