« previous next »

Author Question: Which of the following statements about the 5' end of a polynucleotide strand of (Read 693 times)

camila

  • Hero Member
  • *****
  • Posts: 705
on: Jun 5, 2013
Which of the following statements about the 5' end of a polynucleotide strand of DNA is correct?
A) The 5' end has a hydroxyl group attached to the number 5 carbon of ribose.
B) The 5' end has a phosphate group attached to the number 5 carbon of ribose.
C) The 5' end has phosphate attached to the number 5 carbon of the nitrogenous base.
D) The 5' end has a carboxyl group attached to the number 5 carbon of ribose.
E) The 5' end is the fifth position on one of the nitrogenous bases.


Jesse_J

  • Sr. Member
  • ****
  • Posts: 282
Reply #1 on: Jun 6, 2013
Try this as the answer B. Hope it helps.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

camila

  • Hero Member
  • *****
  • Posts: 705
Reply #2 on: Jun 6, 2013
Thx! :D


« previous next »
 

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Which of the following statements is true of linkage? Which of the following statements is true of linkage?
Gene expression. Transcription of a section of DNA into a complementary strand of messenger RNA is ... Gene expression. Transcription of a section of DNA into a complementary strand of messenger RNA is ...
Viral single-strand DNA (circular) Viral single-strand DNA (circular)
The primase-polymerase switch during lagging strand synthesis The primase-polymerase switch during lagging strand synthesis
Strand displacement model for mitochondrial DNA replication Strand displacement model for mitochondrial DNA replication
Arrangement of polynucleotide strands Arrangement of polynucleotide strands
Video: Digestive System Animation

For a complete list of videos, visit our video library