Bacteria Flashcards
(7 cards)
1
Q
Bacteria are small …… called organisms
A
single
2
Q
some bacteria can photosynthesise but others are…
A
Saprotrophic + feed on dead and decaying organisms
3
Q
Bacteria cells don’t have a nucleas but most genetic info is contained in …
A
a circular chromosome of DNA
4
Q
They also have small circles of DNA called…
A
Plasmids (in the cytoplasm)
5
Q
Some bacteria used in foods. one example =
A
Lactobacillus (yoghurt making)
6
Q
some bacteria such as Pneumococcus cause disease and so are called…
A
Pathogens
7
Q
what is a pathogen
A
any microorganism that causes disease in another organism
