This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Molecular Genetics, Subject name: Biochemistry
43S preinitiation complex include all except: 
Select and explain. 
A. IF3, B. IF1A, C. IF2, D. IF-4F
D: IF-4F
Answer: D: IF-4F 
Explanation: Ans. D. IF-4F(Ref: Harper 31/e page 399)43 S Preinitiation complex consist ofGTP-eIF2-tRNAi+ 40S subunit.This 43S Preinitiation complex is stabilised by eIF3 and eIF-1A.