When DNA replication begins, _____
a. the two DNA strands unwind from each other
b. the two DNA strands condense for base transfers
c. two DNA molecules bond
d. old strands move to find new strands
e. the sugar phosphate backbone is degraded
a
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Explain which noise is found and which noise is eliminated in the water hole
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Which of the following components was NOT
a significant part of the earth's early atmosphere?
a. carbon dioxide b. water vapor c. nitrogen gas d. oxygen gas e. hydrogen gas
Which technique did Rosalind Franklin use to determine many aspects of DNA's structure?
A. Transformation B. Transmission electron microscopy C. Density-gradient centrifugation D. X-ray crystallography E. Chromatography
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