Exam (elaborations)
BIOD Exam 4 Practice Guide.
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What are the four nitrogenous bases? Describe their orientation within the double helix (how they bind and what kind of bond links them). - correct answer Adenine, Guanine (purines), Cytosine and Thymine (pyrimidines). They form nucleotides in the double helix (BASE + PHOSPHATE + SUGAR). They are...
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