Examlex
The latitudes between approximately 30 degrees north and 30 degrees south have a heating deficit over the course of a year.
Nucleotide
A molecule consisting of one or more phosphate groups, a 5-carbon sugar (ribose or deoxyribose), and a nitrogenous base (purine or pyrimidine).
ATP
See adenosine triphosphate.
Cysteine Residues
The amino acid units in proteins that contain a thiol group, often involved in the formation of disulfide bonds that stabilize protein structure.
Tertiary Structure
The three-dimensional shape of a protein molecule formed by bends and folds of its polypeptide chain.
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