Slides in this set

Slide 1

Preview of page 1

Adaption and Selection…read more

Slide 2

Preview of page 2

Variation in bacteria
·Adaption: organisms adjust to suit the
changing environment in which they
live. This increases their reproductive
success of a species by helping them
to live long enough to breed…read more

Slide 3

Preview of page 3

Variation caused by...
· MUTATION: changes in DNA resulting in different characteristics
· CONJUGATION: occurs when 1 cell transfers DNA to another…read more

Slide 4

Preview of page 4

1 cell produces a thin
Donor cell replicates one of
projection that meets another
its plasmids
Forms a thin conjugation tube
between 2 cells…read more

Slide 5

Preview of page 5

The plasmid is broken to make Broken plasmid passes along
it linear the tube to the recipient cell…read more

Slide 6

Preview of page 6

Recipient cell acquires new
characteristics from donor cell
Contact between cells is
brief leaving only time for a
portion of the donors DNA to
be transferred…read more

Slide 7

Preview of page 7
Preview of page 7

Slide 8

Preview of page 8
Preview of page 8

Slide 9

Preview of page 9
Preview of page 9

Slide 10

Preview of page 10
Preview of page 10


No comments have yet been made

Similar Biology resources:

See all Biology resources »