Question

The ancestor of all living things would be expected to have all of the following except a/an

• A. Cell membrane
• B. Cell wall
• C. Endoplasmic reticulum
• D. Ribosomes

Answer 1

The correct option is C Endoplasmic reticulum

All cellular organisms came into existence from the Last Universal Common Ancestor (LUCA). This group contains Bacteria and Archea which are prokaryotes, which lack membrane bound cellular structures, like the Golgi, Endoplasmic Reticulum etc

So, the correct answer is 'Endoplasmic reticulum'