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Wood first appeared in plants called progymnosperms.
The pancreas. This organ sits just below the stomach and is both an exocrine and an endocrine gland.
Diphtheria. The bacteria that cause this disease, called Corynebacterium diphtheriae, proliferate in
The approval of a new drug is a four-stage process: (1) preclinical investigation, (2) clinical inve
Maidens and Stewards, fragment of the Panathenaic Procession, from the east frieze of the Parthenon, ...
Different forms of a gene are called alleles