Multiple Choice
The results of the Hershey and Chase experiments suggested that DNA was the genetic material because:
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7. DNA and Chromosome Structure
DNA as the Genetic Material
Multiple Choice
Information is stored in the ______ of a DNA molecule.
A
sequence of nitrogenous bases
B
double helix shape
C
sugar molecules
D
phosphate backbone
Verified step by step guidance1
Understand the structure of a DNA molecule, which consists of a sugar-phosphate backbone and nitrogenous bases.
Recall that the sugar-phosphate backbone forms the structural framework of DNA, providing stability but not storing genetic information.
Recognize that the double helix shape describes the overall 3D structure of DNA, not the specific storage of information.
Focus on the nitrogenous bases (adenine, thymine, cytosine, and guanine), which pair specifically and form the 'rungs' of the DNA ladder.
Conclude that the sequence of these nitrogenous bases along the DNA strand encodes genetic information, making it the correct answer.
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