Building block of DNA. The more DNA is made, the more thymidine is consumed by the cell to make the DNA. Laboratorians use tritiated thymidine to measure how much DNA synthesis is occurring; the more radioactive the DNA, the more tritiated thymidine is being consumed and the more DNA is being made.
A nucleoside form of thymine.
One of the four basic nucleotides that comprise DNA. Tides-The daily, predictable rise and fall of bodies of water, most notably the oceans, caused by the moon's gravity pulling on the Earth.