Question

which of the following structures is present in both prokaryotic and eu
golgi apparatus
chloroplast
cell membrane
endoplasmic reticulum

Explanation:

• Golgi apparatus: Present only in eukaryotic cells. It modifies, sorts, and packages proteins and lipids.
• Chloroplast: Found in plant cells (eukaryotic) and some algae. It is the site of photosynthesis.
• Cell membrane: A universal feature. It encloses the cell, regulates the entry and exit of substances, and is present in both prokaryotic and eukaryotic cells.
• Endoplasmic reticulum: Present only in eukaryotic cells. It is involved in protein and lipid synthesis.

Answer:

Cell membrane