Microbes that may supply new antibiotic drugs, have been 1 __________ in the bodies
of fossilised insects.
The discovery may help destroy bacteria that are no longer 2 __________ to modern
medicine.
What needs to be done now is to find out how 3 __________ the antibiotics will be.
Microbes that seem to have the characteristics of 4 __________ diseases will have
to be killed.
It is thought that a 5 __________ molecule could lead to a whole series of drugs.
Other scientists who have tried to produce antibiotics in a similar way have
been 6 __________.
This work is considered a 7 __________ achievement.
It is necessary to be 8 __________ about maintaining the life of the antibiotics.