SB1d - Inside Bacteria Flashcards
1
Q
How are bacteria seen with light microscopes?
A
By being stained
2
Q
Why can scientists see bacterium on an electron microscope in more detail?
A
Due to the extra magnification and resolution
3
Q
What does the flagellum do?
A
Helps the bacteria move
4
Q
What does it mean if bacteria are prokaryotic?
A
They don’t have a nucli or chromosomes
5
Q
What does the cytoplasm contain in bacteria?
A
One loop of chromosomal dna and smaller loops of dna called plasmids
6
Q
What does a plasmid DNA do?
A
Controls a few of the cells activities
7
Q
What are the structures in a bacterium?
A
Flagellum, plasmids, chromosomal dna, slime coat (not present in all bacteria) flexible cell wall, cell membrane and cytoplasm which has ribosomes
8
Q
What is the purpose of a slime coat?
A
For protection
