« previous next »

Author Question: When translating secretory or membrane proteins, ribosomes are directed to the E (Read 657 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 lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Graded membrane potentials. Graded membrane potentials.
) Ornithine and citrulline, which are not found in proteins ) Ornithine and citrulline, which are not found in proteins
Perforated tympanic membrane. Perforated tympanic membrane.
Membrane with ion channels and hydrated sodium ion and tetrodotoxin Membrane with ion channels and hydrated sodium ion and tetrodotoxin
Acute Phase Proteins Acute Phase Proteins
Action Potential Membrane Potential Action Potential Membrane Potential
Video: Hypoglycemia Animation

For a complete list of videos, visit our video library