M ICROBIOLOGY. Bacillus spp are aerobic spore forming rods that stain gram positive or gram variable. Except for few species the large majority have no pathogenic potential and have never been associated with disease in man or animals.Members of the genus have significant microbiological uses (42). ICROBIOLOGY. Bacillus spp are aerobic spore forming rods that stain gram positive or gram variable. Except for few species the large majority have no pathogenic potential and have never been associated with disease in man or animals. Members of the genus have significant microbiological uses (42).
yearly - occurring or payable every year; an annual trip to Paris; yearly medical examinations; annual (or yearly) income. annual. periodic, periodical - happening or recurring at regular intervals; the periodic appearance of the seventeen-year locust. annually, each year, every year.
Ron Evans/Photolibrary/Getty Images. Definition: A true annual is a plant that completes its life cycle in one year. This means it goes from seed to seed and then dies off, during the course of one growing season.The whole mission of an annual is to produce seed and propagate.on Evans/Photolibrary/Getty Images. Definition: A true annual is a plant that completes its life cycle in one year. This means it goes from seed to seed and then dies off, during the course of one growing season.