DNA in the nucleus provides the template to produce messanger RNA which provides the amino acid sequence that will be assembled by the ribosomes into protein molecules. The golgi apparatus will package the protein into the extra-cellular space.
Rowing. while rowing you are excercising your muscles because you are constantly pushing against the water to move forward. when you move against the tide of the water, you will have to use your muscles to move faster and more forward.
Inhibit/ produce glucose. I'm not sure sorry.
Incase the person who is choosing to do this has some sort of health issue, when telling their doctor the doctor might have them choose a different route of dieting. This way it is sorted to their health.