Chargaff’s studies of the base composition of various species provides evidence for单项选择题
A
a helical structure in DNA.
B
the AT/GC rule.
C
base stacking.
D
the major and minor grooves
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You have analyzed the base composition of the genetic material in a virus and found the following: 32% adenine, 17% thymine, 18% guanine, and 33% cytosine. From this analysis, which of the following is the most likely structure of the viral genome?
Erwin Chargaff analysed the chemical composition of DNA from different species. What crucial fact relevant to the DNA story did he discover?
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Which ONE of the following thalamic nuclei is targeted by the trigeminothalamic tract?
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