answer each question with an explanation 1which protein in a fibroblasts plasma membrane attache

Step 1: Identify the protein in a fibroblast's plasma membrane that attaches to the extracellula

Question

Which protein in a fibroblast's plasma membrane attaches to the extracellular matrix on the outside of the cell and (through adapter molecules) to actin inside the cell? a. Proteoglycan b. Cadherin c. Fibronectin d. Integrin 2. In the intestine, Wnt proteins: a. promote the apoptosis of the stem cells at the base of each intestinal crypt b. promote the proliferation of the stem cells at the base of each intestinal crypt c. promote the destruction of precursor cells in each intestinal crypt d. promote the secretion of mucus at the base of each intestinal crypt 3. Which of the following is not one of the traditional cancer treatments? a. Surgery b. Radiotherapy c. DNA-damaging chemotherapy d. stimulating cell migration 4. Which of the following is not one of the new ways of cancer treatments? a. Adult stem cell implantation b. Inhibitors of DNA repair pathways c. Vaccination with tumor-specific molecules d. Inhibitors for specific oncogenes 5. Which of the following is NOT a key behavior of cancer cells? a. They have a reduced dependence on signals from other cells for their growth, survival, and division b. Most are genetically unstable, with a greatly increased mutation rate c. They become more sensitive to contact inhibition d. They can often proliferate indefinitely

          Which protein in a fibroblast's plasma membrane attaches to the extracellular matrix on the outside of the cell and (through adapter molecules) to actin inside the cell?
a. Proteoglycan
b. Cadherin
c. Fibronectin
d. Integrin

2. In the intestine, Wnt proteins:
a. promote the apoptosis of the stem cells at the base of each intestinal crypt
b. promote the proliferation of the stem cells at the base of each intestinal crypt
c. promote the destruction of precursor cells in each intestinal crypt
d. promote the secretion of mucus at the base of each intestinal crypt

3. Which of the following is not one of the traditional cancer treatments?
a. Surgery
b. Radiotherapy
c. DNA-damaging chemotherapy
d. stimulating cell migration

4. Which of the following is not one of the new ways of cancer treatments?
a. Adult stem cell implantation
b. Inhibitors of DNA repair pathways
c. Vaccination with tumor-specific molecules
d. Inhibitors for specific oncogenes

5. Which of the following is NOT a key behavior of cancer cells?
a. They have a reduced dependence on signals from other cells for their growth, survival, and division
b. Most are genetically unstable, with a greatly increased mutation rate
c. They become more sensitive to contact inhibition
d. They can often proliferate indefinitely

Added by Richard S.

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