Which of the following statements most likely apply to the earliest cells?
A) They were prokaryotic cells.
B) It is likely that earliest cells did not have a nucleus but had membrane-bound organelles.
C) The earliest cells may have used oxygen gas in order to thrive successfully.
D) Energy from the sun may have been used by the earliest cells.
E) All of these statements most likely apply.

Question

Quizplus · Accepted Answer

The earliest cells are believed to be prokaryotic due to their simple structure and lack of a nucleus.

Answer: D 
 It is believed that the earliest cells used energy from the sun through the process of photosynthesis, which could have provided a source of energy for their metabolism.

Which of the Following Statements Most Likely Apply to the Earliest