The typical incubation period for influenza is 1-4 days (average: 2 days). Adults shed influenza virus from the day before symptoms begin through 5-10 days after illness onset.sually a high fever lasts only a few days for a normal bout of the flu without secondary infections, perhaps 3 days at the most, although low grade fevers can accompany flu s â¦ ymptoms for slightly longer.
Definition of granum. plural. grana. play \ËgrÄ--nÉ\. : one of the lamellar stacks of chlorophyll-containing thylakoids found in plant chloroplasts.
1 Stroma: dense fluid within the chloroplast. Site of conversion of carbon dioxide to sugar. 2  Thylakoid: flattened sac-like membrane structures. Site of conversion of light energy to chemical energy. 3  Grana: dense layered stacks of thylakoid sacs. Sites of conversion of light energy to chemical energy.