« previous next »

Author Question: When the ribosome reaches a stop codon on the mRNA, no corresponding tRNA enters (Read 761 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?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Aminoacyl-tRNA synthetase charging a tRNA Aminoacyl-tRNA synthetase charging a tRNA
Synaptic transmission. (a) Action potential reaches synapse; (b) neurotransmitter released synaptic ... Synaptic transmission. (a) Action potential reaches synapse; (b) neurotransmitter released synaptic ...
A schematic view of the mechanism of mRNA splicing A schematic view of the mechanism of mRNA splicing
Unusual base pairings in tRNA: (c, d) Some examples of triple interactions Unusual base pairings in tRNA: (c, d) Some examples of triple interactions
Interaction of RF2 with a UGA stop codon in the decoding center Interaction of RF2 with a UGA stop codon in the decoding center
Steps in the processing and splicing of mRNA Steps in the processing and splicing of mRNA
Video: Muscular Dystrophy

For a complete list of videos, visit our video library