Multiple choice

Why does RER look rough under a microscope?

  1. Due to the presence of starch granules

  2. Due to the presence of fat molecules

  3. Due to the presence of vacuoles

  4. Due to the presence of ribosomes

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

RER looks rough when viewed under a microscope due to the presence of ribosomes on its surface.