Two tRNA molecules occupy the P and A sites in a ribosome. The amino acids they carry are joined
by a peptide bond. What is the very next event that occurs?
A. The tRNA in the P site detaches and leaves the ribosome.
B. A third tRNA enters the ribosome.
C. The ribosome moves one codon down the mRNA.
D. The large subunit leaves the ribosome.
E. A new amino acid is joined to the tRNA in the P site.
A
You might also like to view...
Why did scientists originally hypothesize that proteolytic enzymes such as pepsin and trypsin are secreted in inactive form?
A) These proteolytic enzymes, in active form, would digest the very tissues that synthesize them. B) They identified the hormone that activates pepsin and trypsin. C) The stomach is too acidic to maintain these enzymes in their active form. D) Pepsin and trypsin have never been isolated in their fully activated form.
What are the two parts of the Endoskeleton?
What will be an ideal response?
The vestibular canal and the tympanic canal are filled with endolymph
____________________ Indicate whether the statement is true or false.
Energy flow in an ecosystem begins with
A. autotrophs. B. detritivores. C. carnivores. D. omnivores. E. herbivores.