What is the function of class 1 release factors?

a. They release deacylated tRNAs from the ribosome.
b. They release class 2 release factors from the ribosome.
c. They recognize termination codons and bind to the ribosomal A site.
d. They assist in ribosomal translocation.
e. They release amino acids from tRNAs.


Ans: c

Biology & Microbiology

You might also like to view...

In the oceans, sulfur exists primarily as ________, and in rocks and sediments sulfur occurs mostly as ________ and ________

A) hydrogen sulfide (H2S) / gypsum (CaSO4) / elemental sulfur (So) B) hydrogen sulfide (H2S) / sulfate (SO42-) / elemental sulfur (So) C) sulfate (SO42-) / gypsum (CaSO4) / pyrite (FeS2) D) sulfate (SO42-) / sulfide (H2S) / elemental sulfur (So)

Biology & Microbiology

In a sunflower population, a mutation arises that results in vessels 4à— wider than wild-type. The mutants will have _________ water-transport capacity, but will also be more susceptible to _________

A. higher; cavitation from freezing B. higher; cavitation from air leaks C. higher; conduit collapse D. lower; cavitation from freezing

Biology & Microbiology

Which of the following is a type of ecdysozoan protostome?

a. Echinodermata b. Ctenophora c. Molluska d. Chordata e. Nematoda

Biology & Microbiology

What is the name for the ability of living things to maintain a relatively constant internal environment?

A) cellular respiration B) homeostasis C) metabolism D) stimulus-response

Biology & Microbiology