« previous next »

Author Question: Suppose that a mutation alters the formation of a tRNA such that it still attach (Read 657 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757
on: Jun 25, 2013
Suppose that a mutation alters the formation of a tRNA such that it still attaches to the same amino acid (phe) but its anticodon loop has the sequence AAU that binds to the mRNA codon UUA (that usually specifies leucine leu).
A) The modified tRNA will cause this mRNA to make only nonfunctioning product.
B) The tRNA-leu will not be able to enter the site of the ribosome to bind to the UUA.
C) One mutated tRNA molecule will be relatively inconsequential because it will compete with many "normal" ones.
D) The tRNA will be so unstable that it will not participate in translation.
E) The mutated tRNA will result in an amino acid variant in all copies of the protein.


coco

  • Hero Member
  • *****
  • Posts: 739
Reply #1 on: Jun 27, 2013
It's C. 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 5, 2013
Thanks COCO :D


« previous next »
 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

The formation of a chimeric gene that is found in people with certain forms of leukemia. The formation of a chimeric gene that is found in people with certain forms of leukemia.
NSAID-Induced Ulcer Formation NSAID-Induced Ulcer Formation
Concept Formation Concept Formation
A model of the 70 ribosome, with mRNA and tRNA bound A model of the 70 ribosome, with mRNA and tRNA bound
Bone Formation Bone Formation
tRNA interacting with ribosome tRNA interacting with ribosome
Video: The Lagging Strand in DNA Replication and Replication in Action

For a complete list of videos, visit our video library