« previous next »

Author Question: When the ribosome reaches a stop codon on the mRNA, no corresponding tRNA enters (Read 779 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757
on: Jun 25, 2013
When the ribosome reaches a stop codon on the mRNA, no corresponding tRNA enters the A site. If the translation reaction were to be experimentally stopped at this point, which of the following would you be able to isolate?
A) an assembled ribosome with a polypeptide attached to the tRNA in the P site
B) separated ribosomal subunits, a polypeptide, and free tRNA
C) an assembled ribosome with a separated polypeptide
D) separated ribosomal subunits with a polypeptide attached to the tRNA


coco

  • Hero Member
  • *****
  • Posts: 739
Reply #1 on: Jun 27, 2013
It's A. Have a nice day!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Yolanda

  • Hero Member
  • *****
  • Posts: 757
Reply #2 on: Jul 6, 2013
Thanks :D


« previous next »
 

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Transfer RNA (tRNA) Structure Transfer RNA (tRNA) Structure
Amino acid codon chart Amino acid codon chart
Model of spliceosome-mediated splicing of pre-mRNA Model of spliceosome-mediated splicing of pre-mRNA
Diagram showing how the translation of the mRNA and the synthesis of proteins are carried out by the ... Diagram showing how the translation of the mRNA and the synthesis of proteins are carried out by the ...
A gradient of bicoid mRNA (blue stain) as concentrated in anterior region A gradient of bicoid mRNA (blue stain) as concentrated in anterior region
Regulation of pre-mRNA splicing that determines male and female sexual Regulation of pre-mRNA splicing that determines male and female sexual
Video: New DNA Strand Replication

For a complete list of videos, visit our video library