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Question 1 of 10
1. Question
The authors use the word “backbone” in lines 3 and 39 to indicate that
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Question 2 of 10
2. Question
A student claims that nitrogenous bases pair randomly with one another. Which of the following statements in the passage contradicts the student’s claim?
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Question 3 of 10
3. Question
In the second paragraph (lines 12-19), what do the authors claim to be a feature of biological interest?
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Question 4 of 10
4. Question
The authors’ main purpose of including the information about X-ray evidence and density is to
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Question 5 of 10
5. Question
Based on the passage, the authors’ statement “If a pair consisted of two purines, for example, there would not be room for it” (lines 29-30) implies that a pair
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Question 6 of 10
6. Question
The authors’ use of the words “exact,” “specific,” and “complement” in lines 47-49 in the final paragraph functions mainly to
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Question 7 of 10
7. Question
Based on the table and passage, which choice gives the correct percentages of the purines in yeast DNA?
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Question 8 of 10
8. Question
Do the data in the table support the authors’ proposed pairing of bases in DNA?
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Question 9 of 10
9. Question
According to the table, which of the following pairs of base percentages in sea urchin DNA provides evidence in support of the answer to the previous
question?CorrectIncorrect -
Question 10 of 10
10. Question
Based on the table, is the percentage of adenine in each organism’s DNA the same or does it vary, and which statement made by the authors is most
consistent with that data?CorrectIncorrect