first remove the dna from the donor and split into desirable pieces by restriction enzymes.

How would the previous sentence be correctly capitalized?
Answer: First remove the DNA from the donor and split into desirable pieces by restriction enzymes.
overlooking the salt flats and surrounding area.

How would the previous sentence be correctly capitalized?
Answer: Overlooking the salt flats and surrounding area.
give me a couple of blankets; i go to sleep, i have to rest.

How would the previous sentence be correctly capitalized?
Answer: Give me a couple of blankets; I go to sleep, I have to rest.
this was the kick off to his present career.

How would the previous sentence be correctly capitalized?
Answer: This was the kick off to his present career.