![subject](/tpl/images/cats/biologiya.png)
Biology, 27.06.2019 21:50 thestarlexyp32wpj
The lab you work in has discovered a previously unidentified extracellular signal molecule called qgf, a 75,000-dalton protein. you add purified qgf to different types of cells to determine its effect on these cells. when you add qgf to heart muscle cells, you observe an increase in cell contraction. when you add it to fibroblasts, they undergo cell division. when you add it to nerve cells, they die. when you add it to glial cells, you do not see any effect on cell division or survival. given these observations, which of the following statements is most likely to be true? and why? (5points)(a) because it acts on so many diverse cell types, qgf probably diffuses across the plasma membrane into the cytoplasm of these cells.(b) glial cells do not have a receptor for qgf.(c) qgf activates different intracellular signaling pathways in heart muscle cells, fibroblasts, and nerve cells to produce the different responses observed.(d) heart muscle cells, fibroblasts, and nerve cells must all have the same receptor for qgf.
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Biology
![image](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 20:30, akamya21
Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?
Answers: 2
![image](/tpl/images/cats/biologiya.png)
![image](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 02:00, sanakhalid8881
The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important
Answers: 3
![image](/tpl/images/cats/biologiya.png)
You know the right answer?
The lab you work in has discovered a previously unidentified extracellular signal molecule called qg...
Questions in other subjects:
![Konu](/tpl/images/cats/health.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 30.08.2019 03:30
![Konu](/tpl/images/cats/en.png)
English, 30.08.2019 03:30
![Konu](/tpl/images/cats/istoriya.png)
History, 30.08.2019 03:30
![Konu](/tpl/images/cats/istoriya.png)
History, 30.08.2019 03:30
![Konu](/tpl/images/cats/mat.png)
Mathematics, 30.08.2019 03:30
![Konu](/tpl/images/cats/mat.png)
Mathematics, 30.08.2019 03:30
![Konu](/tpl/images/cats/en.png)
English, 30.08.2019 03:30