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- ge A mutation in p21 that destroys its binding site will Select one: a. inhibit transcription of p21 b. inhibit sarcomere relaxation c. inhibit cell division d. e, promote cell division inhibit sarcomere contraction Next paYou are growing up myoblasts, C2C12 cells, to use in a myogenic study. You are using T-150 flasks with a culture area of 150 cm2 and when confluent contains 2 x 107 cells. 2) You seed a culture of squamous epithelial cells at 8 am on Monday with 1.2 x 105 cells. The next day at 8 am you harvest the cells. You know from past studies that the generation time is 26 hours for this cell line. How many cells do you predict you should have on hand? A) 1.64 x 10^5 cells B) 4.56 x 10^3 cells C) 5.23 x 10^10 cells D) 1.75 x 10^8 cells E) None of theseYou are growing up myoblasts, C2C12 cells, to use in a myogenic study. You are using T-150 flasks with a culture area of 150 cm^2 and when confluent contains 2 x 10^7 cells. Question: You seed a culture of squamous epithelial cells at 8 am on Monday with 1.2 x 10^5 cells. The next day at 8 am you harvest the cells. You know from past studies that the generation time is 26 hours for this cell line. How many cells do you predict you should have on hand? A) 1.64 x 10^5 cells B) 4.56 x 10^3 cells C) 5.23 x 10^10 cells D) 1.75 x 10^8 cells E) None of these
- To design a drug that inhibits metastasis, which of the following strategies is the WORST idea? to disrupt cadherin complexes to inhibit Rho family proteins to inhibit ARP complex O to block myosin-based contractile structureexplain Mechanism of Myostatin Function & The PI3-K–Akt1 pathwaynebulin is an example of. in the skeletal muscle O A. Contractile proteins O B. Structural proteins OC. Regulatory proteins O D. all answers are wrong
- Which of the following modifications of the Epithelial Growth Factor Receptor (EGFR) would be proliferative of epithelial cells? multiple answers A. Mutation of active site residue responsible for tyrosine phosphorylation. B. Deletion of extracellular ectodomain C. Mutation in ectodomain that prevents binding of EGF D. Cell expresses EGF E. Mutation in promoter that increases expression of EGF receptor F. Dimerization of receptor without growth factor G. Mutation in EGFR promoter that decreases expression of receptorA mutation where Protein kinase A and Ca2+/calmodulin kinase 2 is inhibited a. Increased Cytosolic Calcium b. Decreased Cytosolic Calcium c. No change in Cytosolic Calcium d. Slow progressive decrease in cytosolic calciumSchwa Norepinephrine TGFB RET MSC (MSC Stem cell Neurotrophic CXCR4 factors Blood vessel MSC CXCL12 CXCR4 RET Quiescent HSC Migrating HSSC What substance activates the quiescentHematropoeitic stem cells (HSCS) TGF-beta CXCL12 and CCCR4 neurotrophic factorsinteracting with RET norepinephrin
- You are growing up myoblasts, C2C12 cells, to use in a myogenic study. You are using T-150 flasks with a culture area of 150 cm2 and when confluent contains 2 x 107 cells.You are growing up myoblasts 3)You seed another culture of a different end cell line, john12 cells at 8am on Friday with 104 cells. By Thursday at noon (12:00pm) they reach confluence. Assume the same confluency as stated above for T150 flask. What is the generation time (doubling time)Role of Myc activation is the follows a. It directly inhibits Rb protein through phosphorylation b. It stimulates assembly of S-phase Cdk-cyclin complex c. It stimulates transcription of delayed response genes d. It increases the expression of early response genes Role of Myc activation is the follows a. It directly inhibits Rb protein through phosphorylation b. It stimulates assembly of S-phase Cdk-cyclin complex c. It stimulates transcription of delayed response genes d. It increases the expression of early response genes# 3 You've engineered a mutant cell where the FADD adapter was truncated. The mutant FADD only contains the Death Domain, and lacks the Death Effector Domain. What is the most likely phenotypic outcome for this mutant cell when presented with the Fas ligand? 20 E O The Fas/FasL oligomer is formed, but apoptosis is blocked O The Fas/FasL oligomer is formed, and apoptosis is hyperactivated O The Fas/FasL oligomer is not formed, and apoptosis is blocked O The Fas/FasL oligomer is not formed, but apoptosis is hyperactivated F3 $ 4 DOD 000 R F4 % 5 F5 T BARAT 6 tv @ MacBook Air F6 Y & 7 F7 U * ➤11 8 F8 · 9 F9