Examlex
When the only evidence available for two extinct species is their fossil record,evaluation of reproductive isolation and the biological species concept is not useful.However,the phylogenetic species concept could potentially differentiate the species by using evolutionary history to describe
Hormones
Chemical messengers produced by glands that regulate various functions in the body by acting on specific target organs.
Amino Acids
The building blocks of proteins, consisting of a central carbon atom bonded to an amino group, a carboxyl group, a hydrogen atom, and a variable side chain.
Proteins
Massive biological molecules, known as macromolecules, are composed of one or more extended sequences of amino acid residues and fulfill a wide range of roles in organisms.
Peptide Bonds
Chemical bonds formed between amino acids during the formation of proteins.
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