Question 19 - Science Practice Test for the GED Test

What part of a cell is a protective barrier found on the outside that controls what comes in and out of a cell?

Create a FREE profile to save your progress and scores!

Create a Profile

Already signed up? Sign in

Unlock all features!

  • 2x Bonus Practice questions
  • Exam simulation mode
  • Printer friendly downloads
  • Ad-free studying
  • Money-back guarantee
Upgrade to Premium