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Multiple Choice
How has molecular systematics changed the classification of organic molecules?
A
By using DNA sequencing to determine evolutionary relationships.
B
By classifying molecules based on their color.
C
By using only historical data from the 19th century.
D
By relying solely on physical properties like boiling points.
Verified step by step guidance
1
Understand the concept of molecular systematics: Molecular systematics is a scientific approach that uses molecular data, primarily DNA sequences, to determine the evolutionary relationships between organisms, including organic molecules.
Recognize the role of DNA sequencing: DNA sequencing allows scientists to analyze the genetic material of organisms, providing insights into their evolutionary history and relationships. This method is more precise than traditional classification methods.
Compare traditional classification methods: Historically, organic molecules were classified based on physical properties such as boiling points, color, and historical data. These methods are less accurate in determining evolutionary relationships.
Evaluate the impact of molecular systematics: By using DNA sequencing, molecular systematics has revolutionized the classification of organic molecules, allowing for a more accurate understanding of their evolutionary connections.
Conclude the significance of molecular systematics: The use of DNA sequencing in molecular systematics has provided a more comprehensive and scientifically robust framework for classifying organic molecules, moving beyond reliance on physical properties and historical data.