After the bases of dna were identified, erwin chargaff analyzed the percentages of adenine, thymine, guanine, and cytosine in the dna of many different organisms. This table shows the percentages of a, t, g, and c for a human, a bacterium, and a fish. Chargaff observed an approximate rule about these percentages in all of his samples: what is the rule?.

It depends on the subject for me. some exams are easier than others so i usually go through it and answer questions i know based on my general knowledge, then double check after. going through the lesson can a lot  because the exams can be  very lesson-specific, but sometimes they are ridiculously long so a lot of people don't take the time. i did find that, when i went through the lessons, i was making 100's on my exams vs strictly using + the internet and  i make 90's. 

Where are the startments?

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