Sentence examples for bacteria which have existed from inspiring English sources
Plants and bacteria, which have existed for billions of years, have often robust protection system, which can be used by humans.
Gram-negative bacteria – which have outer membranes – tend to be more resistant to antibiotics.
Gram-negative bacteria — which have outer membranes — tend to be more resistant to antibiotics.
Gram-positive bacteria, which have single membranes, use peptides, which are small chains of amino acids.
Teresa's body was no match for the colonies of bacteria, which had caused septicaemia and pneumonia.
Tells how he isolated the bacteria, which had been discovered by Dr. J. Robin Warren, and tested it on himself.
They did it by collecting pieces of DNA from other pneumococcus bacteria which had died.
The bacterium, which has 250 pathogenic strains, causes leptospirosis, the most common disease transmitted from animals to humans.
Bacteria have existed from very early in the history of life on Earth.
And since we know that bacteria have existed here for at least 3.8 billion years, they presumably could have hitched a ride.
