« previous next »

Author Question: When translating secretory or membrane proteins, ribosomes are directed to the E (Read 650 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757
on: Jun 25, 2013
When translating secretory or membrane proteins, ribosomes are directed to the ER membrane by
A) a specific characteristic of the ribosome itself, which distinguishes free ribosomes from bound ribosomes.
B) a signal-recognition particle that brings ribosomes to a receptor protein in the ER membrane.
C) moving through a specialized channel of the nucleus.
D) a chemical signal given off by the ER.
E) a signal sequence of RNA that precedes the start codon of the message.


coco

  • Hero Member
  • *****
  • Posts: 739
Reply #1 on: Jun 27, 2013
It's B. 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?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Attachment of transmembrane proteins to the cytoskeleton and extracellular matrix of an animal cell. Attachment of transmembrane proteins to the cytoskeleton and extracellular matrix of an animal cell.
Affinity chromatography separates proteins by their binding specificities. Affinity chromatography separates proteins by their binding specificities.
Three-dimensional structures of proteins. Three-dimensional structures of proteins.
Schematic representation of an actively translating and translocating eukaryotic ribosome-Sec61 Schematic representation of an actively translating and translocating eukaryotic ribosome-Sec61
Perforation of tympanic membrane Perforation of tympanic membrane
The infolded inner membrane The infolded inner membrane
Video: ATPase function - membrane transport, contractile proteins and synthesis

For a complete list of videos, visit our video library