Bacteria Flashcards
1
Q
Gram positive bacteria
A
Retain dye complex when treated in solvent and appear purple
2
Q
Gram negative bacteria
A
Loses dye complex when treated in solvent appears pink
3
Q
Bacterial plasmids
A
Circular pieces of DNA that separate from main dna molecule
They’re passed on during binary fission
4
Q
What are heterotrophic organism
A
They use complex organic molecules synthesised by other organism
5
Q
What are autotrophic organisms
A
Organisms that synthesise complex organic molecules from simple organic molecules using sunlight or another energy source
