Please help for a medal. Which of the following explains why normal cells grown in a petri dish tend to stop growing once they have covered the bottom of the dish?
A. The cells lack cyclin.
B. The petri dish inhibits cell growth.
C. Contact with other cells stops cell growth.
D. Most cells grown in petri dishes have a defective p53.
Still Need Help?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (kailee1423):
It's not B.
OpenStudy (♪chibiterasu):
When cells covers the dish, they are given the signal to stop growing. Those that do not have such a signal are what causes uncontrolled growth, which is what Cancer is.
OpenStudy (♪chibiterasu):
It's B D:
OpenStudy (kailee1423):
I put B and it was wrong
OpenStudy (♪chibiterasu):
Hmm
Still Need Help?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (♪chibiterasu):
Well I guess C, as it also claims to prevent further growth.
OpenStudy (kailee1423):
That would've been my next guess.
OpenStudy (♪chibiterasu):
IS that right? o:
OpenStudy (♪chibiterasu):
Is*
OpenStudy (kailee1423):
I'll tell you when I submit the exam lol
Still Need Help?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (♪chibiterasu):
Ok x3
Is this FLVS or Connections btw?
OpenStudy (kailee1423):
James Madison
OpenStudy (♪chibiterasu):
Is that a school?
OpenStudy (kailee1423):
It's online
OpenStudy (♪chibiterasu):
I do FLVS online
Still Need Help?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (kailee1423):
I never heard of that one.
OpenStudy (♪chibiterasu):
It's exclusive to Florida. If you are outside of Florida there are payments.
OpenStudy (kailee1423):
Oh. Im from Tennessee lol
OpenStudy (♪chibiterasu):
Then that's probably why you've never heard of it x3