Examlex
The chlorophyll chromophore consists of a heteroaromatic ring complexed to a __________ ion.
Nitrogenous Bases
Organic molecules that make up the building blocks of nucleic acids, DNA and RNA, including adenine, guanine, cytosine, thymine (in DNA), and uracil (in RNA).
Beta Pleated Sheets
A structural motif in proteins characterized by zigzag folding of the peptide chain, contributing to the protein's overall stability.
Alpha Helices
A common structural motif in proteins where the polypeptide chain forms a coiled structure stabilized by hydrogen bonds between backbone atoms.
Protein Structure
The three-dimensional arrangement of atoms in an amino acid-chain molecule. Proteins have a complex structure, including primary, secondary, tertiary, and quaternary formations, that determines their function in biological systems.
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