Suppose that an induced mutation removes most of the end of the UTR of an mRNA. What is most likely to happen?
A) Removal of the UTR will have no effect because the exons are still maintained.
B) Removal of the UTR also removes the 5' cap and the mRNA will quickly degrade.
C) The UTR will duplicate and one copy will replace the end.
D) The first exon will not be read because I1 will now serve as the UTR.
Answer: B
You might also like to view...
Mutations in bacterial porins typically lead to antibiotic resistance by
A) changing the orientation of the porin ?-helical transmembrane segments to constrict the size of the channel. B) changing the stereoisomer specificity of the porin transport. C) blocking diffusion of the antibiotic through the porin channel. D) disrupting the voltage difference across the porin channel. E) reversing water transport through the channel.
Which control method would not be a suitable choice for killing Mycobacterium in a capped culture tube?
A. Ultraviolet (germicidal) light B. 160°C for 2 hours C. 121°C at 15 psi for 15 minutes D. Gamma rays E. All of the choices are correct.
The retinoblastoma protein (pRB), like p53, serves as a(n) ________ in regulating the cell cycle
A) up regulator B) tumor suppressor C) tumor enhancer D) oncogene E) pseudooncogene
What did Alan Hodgkin and Andrew Huxley conclude from their squid axon experiments?
a. The passage of Na+ ions into a neuron and K+ ions out of a neuron results in an action potential. b. The passage of K+ ions into a neuron and Na+ ions out of a neuron results in an action potential. c. The passage of K+ ions into a neuron and Ca+ ions out of a neuron results in an action potential. d. The passage of Cl- ions into a neuron and K+ ions out of a neuron results in an action potential. e. The passage of Cl- ions into a neuron and Ca+ ions out of a neuron results in an action potential