1.   Like humans, yeast cells prefer to burn their glucose with oxygen to produce energy.

2.   That they use leaves to produce the energy they need to sustain life?

3.   We need to find ways of producing energy without destroying the environment.

4.   Meanwhile the major problem is to what extent can suitable, safe and cost-effective technologies be developed to produce energy from these sources.

5.   The moment last year when the JET scientists made the big breakthrough... producing energy from nuclear fusion... the joining of atomic particles.

6.   Although it burns cleaner than ordinary gasoline, ethanol also produces less energy per gallon and requires frequent refueling.

7.   An even higher percent of the respondents said they believe that President Bush is more interested in producing energy than in protecting the environment.

8.   Argentine hydroelectric dams produce cheaper energy, leading their supply to be bought first in Argentina.

9.   A particular target is the mitochondria, structures within the cell that produce its energy.

10.   All reactors produce energy by bombarding uranium with neutrons.