Self Quiz

• Ribosomes are structures that make
  1. DNA (wrong)
  2. proteins (correct)
  3. membranes (wrong)
  4. cytoplasm (wrong)
  5. sugars (wrong)
  
  
• All cells possess
  1. nucleus (wrong)
  2. a plasma membrane (correct)
  3. mitochondria (wrong)
  4. endoplasmic reticulum (wrong)
  5. cell wall (wrong)