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General Biology 1 Midterm - Part 1 of 3
SAMPLE

Please be aware that you practice a sample exam set, which means that it’s mimicking a real exam. In order to have more accurate experience:

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1. Introduction to Biology / Life's Organizational Hierarchy / Problem 3

Erwin Chargaff found that in DNA, the ratios of adenine (A) to thymine (T) and guanine (G) to cytosine (C) are equal. This is the best example of study at the _____ level in life's hierarchy.

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