Response:
2 & 4
Explanation:
The concept of spontaneous generation proposed that life could arise from 'nothing.' This idea remained accepted until it was challenged by Francesco Redi and Luis Pasteur through experiments. Redi conducted an experiment where he placed cooked meat on two plates—one was covered with a glass bowl, while the other was left exposed. The covered plate did not develop maggots, but the open one did, indicating that maggots resulted from eggs laid by flies. Thus, life originates from pre-existing life.
Answer:
The appropriate option is B. Prokaryotic
Explanation:
A prokaryotic cell can be characterized as a unicellular entity that lacks membrane-bound organelles. Scientists assert that the earliest life forms were prokaryotic cells. Bacteria and archaea are classified as prokaryotes.
Prokaryotic cells do not have a nucleus; their DNA is situated in a region called the nucleoid within the cell's cytoplasm.