Exam 1 Questions
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Positively charged
Based on your knowledge of the polarity of water molecules, the solute molecule depicted here is most likely ________.
The strands of the double helix are complementary
In the context of chemical evolution, DNA's structure is interesting because it suggests a possible copying mechanism. What about DNA's structure facilitates copying?
The blood sample is a million (10^6) lower [H+] than the gastric juice
The pH of a sample of blood is 7.4, while gastric juice is pH 1.4. How does the blood sample pH compare to the gastric juice pH?