Which of the following is an example of post-transcriptional control of gene expression?

TLS Online TPP Program

#Question id: 4674

#Unit 3. Fundamental Processes

λ-repressor encoded by

TLS Online TPP Program

#Question id: 5786

#Unit 8. Inheritance Biology

A mutation causing an abnormality in presenilin that disrupts amyloid production or function has been associated with

TLS Online TPP Program

#Question id: 34118

#Unit 2. Cellular Organization

A. Trypsin treated core histones quickly forms 30-nm fibers

B. Core histones lacking their amino-terminal tails are incapable of forming 30-nm fibers

C. Interaction between the positively charged amino terminus of histone H4 and a negatively charged region of the histone-fold domain of histone H2A is particularly important for 30-nm fiber formation

D. H2A that interact with the H4 tail are conserved across many eukaryotic organisms but are not involved in DNA binding or formation of the histone octamer.

Choose true and false

TLS Online TPP Program

#Question id: 4665

#Unit 3. Fundamental Processes

Mode of activation of rifampicin in E.coli is through

TLS Online TPP Program

#Question id: 26495

#Unit 3. Fundamental Processes

Which of the following is (are) required for splicing to occur?

a. two transesterification reactions

b. intact, naturally occurring introns

c. formation of a lariat like structure 

d. a branch-point G residue