« previous next »

Author Question: Which of the following is a function of a poly-A signal sequence? A) It adds the (Read 735 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757
on: Jun 25, 2013
Which of the following is a function of a poly-A signal sequence?
A) It adds the poly-A tail to the 3' end of the mRNA.
B) It codes for a sequence in eukaryotic transcripts that signals enzymatic cleavage ~1035 nucleotides away.
C) It allows the 3' end of the mRNA to attach to the ribosome.
D) It is a sequence that codes for the hydrolysis of the RNA polymerase.
E) It adds a 7-methylguanosine cap to the 3' end of the mRNA.


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?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Relationships among the coding sequence of a gene, the codon sequence of an mRNA, the anticodons of Relationships among the coding sequence of a gene, the codon sequence of an mRNA, the anticodons of
Signal Detection Theory Signal Detection Theory
How to sketch a cubic function using transformations How to sketch a cubic function using transformations
A palindromic DNA Sequence A palindromic DNA Sequence
Testing motor function of cranial nerve VII - Show teeth Testing motor function of cranial nerve VII - Show teeth
Human genome sequence explosion Human genome sequence explosion
Video: PET Scan Animation

For a complete list of videos, visit our video library