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.
A centennial refers to the 100th year, so it itself is only one year. If it was 100 years since the birth of someone or some historical event, this year would be regarded as the centennial year. A century refers to a complete set of 100 years. 2 people found this useful.