STOP 10. The Sphase stands for synthesis, which means to make or build something more complex out of
simpler parts. Scientists know that during the Sphase DNA is being made in the nucleus of the
cell. Why do you think the cell needs to make more DNA at this time in the cell cycle?

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.

the correct answer is option d.

an appositive is a noun, noun phrase or noun clause which follows another noun or noun phrase in order to describe it or name it another way. they are usually used between commas, brackets or dashes.

the example sentence with the correct use of commas is the following:

her uncle, the man over there in the red shirt, owns the hardware store in town.