Question

score: 15/750
a prokaryotic cell lacks a ____ and ____.
cell wall; ribosomes
nucleus; membrane - bound organelles
nucleus; ribosomes
nucleus; dna
cell wall; membrane - bound organelles

Explanation:

Prokaryotic cells are simple cells. They lack a true nucleus (their DNA is not enclosed in a nuclear membrane) and membrane - bound organelles like mitochondria, endoplasmic reticulum etc. They do have cell walls (in most cases), ribosomes for protein synthesis and DNA (but not in a membrane - bound nucleus).

Answer:

B. nucleus; membrane - bound organelles