Question

which of these statements is correct with regards to eukaryotes and prokaryotes? 1. not all eukaryotic cells have a cell membrane. 2. prokaryotic cells have a nucleus and membrane - bound organelles, whereas eukaryotic cells do not. 3. prokaryotic cells have larger ribosomes (80s), whereas eukaryotes have smaller ribosomes (70s). 4. eukaryotic cells have larger ribosomes (80s), whereas prokaryotes have smaller ribosomes (70s).

Explanation:

1. All eukaryotic cells have a cell - membrane.
2. Prokaryotic cells lack a nucleus and membrane - bound organelles, while eukaryotic cells have them.
3. Prokaryotic cells have smaller (70S) ribosomes and eukaryotic cells have larger (80S) ribosomes.

Answer:

1. Eukaryotic cells have larger ribosomes (80S), whereas prokaryotes have smaller ribosomes (70S).