Question

a cell can be identified based on the structures present in the cell. the illustration below shows three different types of cells.

image of prokaryotic cell, animal cell (labeled eukaryotic cells), plant cell (labeled eukaryotic cells)

which type of cell structure is included in all three cells?

a nucleus that contains dna
a cell wall made of cellulose
a cell membrane made of a lipid bilayer
mitochondria that contain dna

Explanation:

1. Analyze Option 1: Prokaryotic cells (like the shown bacterium) lack a nucleus, so "a nucleus that contains DNA" is not in all three cells.
2. Analyze Option 2: Animal cells (eukaryotic) do not have a cell wall made of cellulose, so this is not universal.
3. Analyze Option 3: All cells (prokaryotic, animal eukaryotic, plant eukaryotic) have a cell membrane made of a lipid bilayer. This is a fundamental structure for cell integrity and transport.
4. Analyze Option 4: Prokaryotic cells (like bacteria) lack mitochondria, so "mitochondria that contain DNA" is not present in all three.

Answer:

C. a cell membrane made of a lipid bilayer