Q: The earliest cells were prokaryotes, surrounded by a cell membrane but lacking which key structure?


Read this paragraph and choose the correct option from the provided answers:

The first organisms were made of only one cell ( Figure below ). The earliest cells were prokaryotes . Prokaryotic cells are surrounded by a cell membrane. They do not have a nucleus. Their organelles are free in the cell. The cells get their nutrients directly from the water they live in. The cells need to use these nutrients to live and grow.

 Choices:

- mitochondria

- ribosomes

- lysosomes

- nucleus


A:
nucleus