Biology question!HELP!?

Posted on 2016-05-04 18:36:00 in Biology by JASMEEN

I am thoroughly confused...any help is appreciated! 

Q.1) What are the name of the structures that form wells in the small intestine? 

Q.2) What is the function of APC in Wnt pathway? Which cells has a high level of Wnt signal? 

Q.3) What are the cells that send signal to stem cells to become stem cells and what signal is involved? 

Q.4) What embryonic sheet does the epidermis come from? 

Q.5) Can differentiated keratinocytes in non-basal layers divide? 

Q.6) What organs have sensory epithelia? 

Thank you so much!

---

Answer Comment

No Answers Posted Yet.