Which of the following would require the use of recombinant dna? a. crossing two apple trees to create better apples. b. breeding a donkey and a horse to make a mule. c. engineering bacteria that produce human insulin. d. creating a polyploid banana tree.

The correct answer is c. Engineering bacteria that produce human insulin. 

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C. engineering bacteria that produce human insulin

People need to distract themselves with actitives. they can also find a natural high. an example would be eating alot of meat. that meat can release dopamine to the brain which gives one a natural high feeling.

Because without physical activity, the body has extra "energy" if you will, and so when it is time for bed you are not tired, so you end up staying up all night. also there is probably an effect on your internal clock, which messes with your melatonin production which goes hand in hand with your sleep cycle