Multiple Choice
Which of the following statements best describes the function of reverse transcriptase in organic chemistry?
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Intro to Organic Chemistry
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In the context of organic chemistry, how does relative dating help determine the age of a fossil?
A
By comparing the fossil's position in sedimentary layers to known ages of other layers.
B
By using the fossil's DNA sequence to estimate its age.
C
By analyzing the fossil's chemical composition to match it with a specific era.
D
By measuring the radioactive decay of carbon isotopes within the fossil.
Verified step by step guidance1
Understand that relative dating in geology and paleontology involves determining the age of a fossil by comparing its position within sedimentary rock layers to the positions of other fossils or rock layers with known ages.
Recognize that sedimentary layers, or strata, are deposited over time, with the oldest layers typically at the bottom and the youngest at the top, following the principle of superposition.
Identify that relative dating does not provide an exact age in years but rather an estimate of whether a fossil is older or younger than other fossils or rock layers.
Consider that relative dating can be complemented by other methods, such as radiometric dating, which involves measuring the decay of radioactive isotopes to determine an absolute age.
Note that the other options mentioned, such as using DNA sequences or chemical composition, are not typically methods used in relative dating but may be used in other contexts to study fossils.
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