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.
Annual cycle. An annual cycle refers to a set of changes or events that uniformly, or consistently, take place at the same time of year. In biology, the annual cycle for plants and animals details behavioral and chemical changes that take place as the seasons advance.