thymine
thymine — noun
1. a DNA base that joins with adenine as cells store and copy genetic information.
a DNA base that joins with adenine as cells store and copy genetic information.
In biology class, Ada learned that thymine pairs with adenine in DNA.
pattern: thymine pairs with adenine
The chart showed thymine but no uracil in the sample of DNA.
contrast: thymine in DNA, uracil elsewhere
During lab, Daichi marked each thymine with a blue dot on the model.
After the scan, doctors found damaged thymine in several skin cells.
The textbook says thymine appears in DNA but not in RNA.
- 5-methyluracil
a technical chemical name for the same substance
- nucleobase
a broader scientific class that includes thymine and other bases
文法句型
thymine in DNA
thymine pairs with adenine
damaged thymine in cells
用法筆記
Used mainly in biology and chemistry when people explain DNA structure, copying, or damage. It commonly appears with words such as adenine, DNA, mutation, and base pair rather than in everyday speech.