Examlex
Which of the following is always true for an endothermic process?
Purine Base
A type of nitrogen-containing base, including adenine and guanine, which are components of DNA and RNA.
Guanine
A nitrogenous purine base that is a component of nucleic acids and GTP.
Nucleotides
Nucleotides are the basic building blocks of nucleic acids, such as DNA and RNA, consisting of a nitrogenous base, a sugar molecule, and one or more phosphate groups.
Enantiomers
Molecules that are mirror images of each other but cannot be superimposed, having different physical and chemical properties.
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