Examlex
Which of the following is a radioactive metal?
Nucleotide
Monomer of DNA and RNA consisting of a 5-carbon sugar bonded to a nitrogenous base and a phosphate group.
Nitrogen-Containing Base
An organic molecule with nitrogen that serves as a fundamental building block of the nucleic acids DNA and RNA.
Phosphate
An inorganic chemical compound containing phosphorus and oxygen, vital for energy transfer and storage in biological systems.
DNA Helicase
An enzyme that unwinds the DNA helix, separating the two strands and allowing them to be copied during DNA replication.
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