bacterium

No, not Ebola, but rather infection with the dreaded bacterium, Yersinia pestis.

Caused by the bacterium Borrelia burgdorferi, the illness is transmitted by the bite of an infected tick.

One type of bacterium is likely very different from its neighbors, and may have equally different effects on the body.

Not only did the insertion work, the extra base pair was kept by offspring of the original bacterium.

Pertussis, or “whooping cough,” is caused by the bacterium Bordetella pertussis.

It is a plantigrade circumflex vertebrate bacterium that hasnt any wings and is uncertain.

Plantigrade circumflex vertebrate bacterium that hasnt any wings and is uncertain.

When we have succeeded in isolating a certain kind of bacterium in a given dish, we are said to have a pure culture.

But probably each colony arose from a single bacterium which got into the dish when it was exposed to the air.

At the same time Prof. Bayley Balfour had examined it and concluded that it was a mixture of a yeast and a bacterium.