Question 1
Which of the following enzymes are involved in mRNA degradation in bacterial cells?
◦ Endonucleases only
◦ Exonucleases only
◦ Poly (A) polymerase
◦ A combination of endonucleases and exonucleases
◦ Helicase
Question 2
Which of the following is a mechanism used for localization of mRNA in the cytoplasm for translation?
◦ mRNA is imported from other cells and transported to the site of translation
◦ mRNA is transcribed at the cytoplasmic site where it is translated
◦ mRNA is actively transported to a site where it is translated
◦ mRNA is packaged into vesicles in the nucleus and transported out to the cytoplasmic site of translation
◦ mRNA binds to ribosomes that are actively transported to the cytoplasmic site of translation
Telomerase Mechanism
Homeostatic Mechanism
Cellular Defense Mechanism
Model for control of cytoplasmic polyadenylation and translation initiation
Draw step two of the mechanism.
Splicing of mRNA