Question

multiple select question
select all that apply
which of the following do all cells have?

• cell membrane
• cell wall
• nucleus
• dna
• rna
• ribosomes

Explanation:

1. Cell membrane: All cells (prokaryotic and eukaryotic) have a cell membrane to regulate substance entry/exit.
2. Cell wall: Not all cells have a cell wall (e.g., animal cells lack a cell wall).
3. Nucleus: Prokaryotic cells lack a nucleus (they have a nucleoid region instead).
4. DNA: All cells have DNA as genetic material (prokaryotes have circular DNA, eukaryotes have linear DNA in the nucleus and other organelles).
5. RNA: All cells have RNA (involved in protein synthesis, gene expression, etc.).
6. Ribosomes: All cells (prokaryotic and eukaryotic) have ribosomes for protein synthesis (prokaryotic ribosomes are smaller, eukaryotic are larger but both exist).

So the correct options are Cell membrane, DNA, RNA, Ribosomes.

Answer:

A. Cell membrane, D. DNA, E. RNA, F. Ribosomes