In an experimental situation, a student researcher inserts an mRNA molecule into a eukaryotic cell after she has removed its cap and poly-A tail. Which of the following would you expect her to find?
A) The mRNA is quickly converted into a ribosomal subunit.
B) The cell adds a new poly-A tail to the mRNA.
C) The mRNA attaches to a ribosome and is translated, but more slowly.
D) The molecule is digested by enzymes because it is not protected at the end.
Answer: D
You might also like to view...
Nematodes have an outer nonliving layer called a cuticle that must shed as the animal passes
from one juvenile stage to the next. This cuticle is produced by the epidermal cells that originate from which germ layer?
a. endoderm b. mesoderm c. ectoderm d. epiderm
Which of the following physical features make
it possible for amniotes to be completely terrestrial?
a. their skin b. their lungs c. their eggs d. their four limbs e. their brains
Exocrine glands:a
have products that are transported via the circulatory system. b. lack ducts. c. include goblet cells and sweat glands. d. release hormones. e. lack epithelial tissue.
The green revolution affected Indonesia's food supply in a positive way. Comment on its effects on the country's ecological footprint
What will be an ideal response?