Examlex
The decomposition of ozone in the stratosphere can occur by the following two-step mechanism: Step 1: Br + O3 → BrO + O2
Step 2: BrO + O → Br + O2
Which species is an intermediate in this mechanism?
Radioactively Labeled
Molecules marked with radioactive isotopes, enabling their detection or tracking in biological and chemical processes.
Genetic Material
The DNA and RNA in cells that carries the genetic information essential for inheritance and cell function.
Hershey And Chase
Scientists who conducted experiments in 1952 with bacteriophages that helped to prove that DNA is the genetic material of viruses.
DNA Nucleotides
The basic building blocks of DNA, consisting of a phosphate group, a sugar molecule (deoxyribose), and one of four nitrogenous bases (adenine, cytosine, guanine, or thymine).
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