Question 1
An example of a protein product that binds to its own mRNA to prevent translation initiation is:
◦ ribosomal protein.
◦ T4 phage p32 protein.
◦ tubulin protein.
◦ the
lac repressor.
◦ the LacA protein.
Question 2
An example of a trans-acting element is:
◦ the
lac operator only.
◦ the
lac repressor only.
◦ the CRP activator only.
◦ both the
lac repressor and the CRP activator.
◦ the
lac operator, the
lac repressor, and the CRP activator.