Biochemistry - Mock Test 29

Question 281

Which of the following is involved in proline rich motif binding?

A) SH2 B) SH3 C) PTB D) PH

---

No Details

Question 282

Which of the following is involved in phospho-tyrosine binding?

A) SH2 B) SH3 C) PTB D) PH

---

No Details

Question 283

Which of the following are stimulated to become membrane associated upon binding of insulin to the insulin receptor

A) PH-domain B) PTB C) SH3 D) SH2

---

No Details

Question 284

Which of the following converts GTP to cGMP to start its enzymatic cascade?

A) Receptor guanylyl cyclase B) Receptor adenylyl cyclase C) Calmodulin D) Protein kinase-A

---

No Details

Question 285

Which of the following is involved in extrinsic cell death pathway?

A) Heterotrimeric G protein complex B) TRADD C) IRS-1 D) Protein-kinase A

---

No Details

Question 286

Scaffold protein in insulin signal transduction

A) KSR B) IRS-1 C) MEKK1 D) AKAP

---

No Details

Question 287

PTB domains bind to

A) Phosphorylated tyrosine B) Phosphoryated threonine C) Phosphorylated serine D) Phosphorylated cysteine

---

No Details

Question 288

Which of the following directly phosphorylate tyrosines to start a kinase protein enzymatic cascade

A) Receptor tyrosine kinase B) Receptor guanylyl cyclases C) Receptor serine kinase D) Receptor threonine kinase

---

No Details

Question 289

The specificity of signaling pathways does not include

A) Migration of signal proteins into membrane rafts B) Assembly of large multiprotein complexes C) Phosphorylation of target proteins at Ser, Thr/Tyr residues D) Flippase-catalyzed movement of phospholipids from the inner to the outer leaflet

---

No Details

Question 290

GPCR is comprised of

A) 7 transmembrane helices B) 8 transmembrane helices C) 9 transmembrane helices D) 10 transmembrane helices

---

No Details