What does bacterium mean?
: any of a group of single-celled microscopic organisms that are important because of their chemical activities and as causes of disease. bacterium. noun. bac·te·ri·um | \ bak-ˈtir-ē-əm \ plural bacteria\ -ē-ə \
What is the Greek word of bacteria?
In biology, a bacterium is simply a microorganism, or a very tiny living thing, with cell walls but no distinct nucleus. The word itself comes from the Greek word bakterion, “small stick or rod,” which describes a bacterium’s shape when seen under a microscope. Definitions of bacterium.
What means flagellum?
Definition of flagellum : any of various elongated filiform appendages of plants or animals: such as. a : the slender distal part of an antenna. b : a long tapering process that projects singly or in groups from a cell and is the primary organ of motion of many microorganisms.
Is a bacterium vs bacteria?
A bacterium is the singular form of the plural word “bacteria”. To put it another way, you use “bacterium” when there is only one of them and only use the word “bacteria” if you are refering to more than one.
What is a bacteria in microbiology?
Bacteria are single-celled microorganisms that lack a nuclear membrane, are metabolically active and divide by binary fission. Medically they are a major cause of disease. Superficially, bacteria appear to be relatively simple forms of life; in fact, they are sophisticated and highly adaptable.
What is flagella in microbiology?
flagellum, plural flagella, hairlike structure that acts primarily as an organelle of locomotion in the cells of many living organisms. Flagella, characteristic of the protozoan group Mastigophora, also occur on the gametes of algae, fungi, mosses, slime molds, and animals.
What is a bacterial culture?
A bacterial culture is a cultivated colony of bacteria grown in a lab for a variety of purposes, ranging from patient diagnosis to scientific research. Cultures can take hours or days to grow and may require special care, as some bacteria are very finicky about their environment.
What is culture according to Allyn Bacon?
Needham Heights, MA: Allyn & Bacon. “Most social scientists today view culture as consisting primarily of the symbolic, ideational, and intangible aspects of human societies. The essence of a culture is not its artifacts, tools, or other tangible cultural elements but how the members of the group interpret, use, and perceive them.
What is the best definition of Culture?
Culture is the characteristics and knowledge of a particular group of people, encompassing language, religion, cuisine, social habits, music and arts. Culture is the characteristics and knowledge of a particular group of people, encompassing language, religion, cuisine, social habits, music and arts.
What is the incubation temperature for bacterial culture?
Same quantity of the bacterial culture was inoculated in each flask and incubated at 37oC on magnetic stirrer for 24 hours.