L
Lindsay
Guest
water. If 25 colonies grew from?
One millilitre of bacterial culture is transferred into 999 ml of sterile water. If 25 colonies grewfrom 0.1 ml of this dilution, how many bacteria per ml did the original culture contain?
a.25 x 105.
b.25 x 10-5.
c.999 x 102
d.2.5 x 10-5.
e.2.5 x 105.
One millilitre of bacterial culture is transferred into 999 ml of sterile water. If 25 colonies grewfrom 0.1 ml of this dilution, how many bacteria per ml did the original culture contain?
a.25 x 105.
b.25 x 10-5.
c.999 x 102
d.2.5 x 10-5.
e.2.5 x 105.