« previous next »

Author Question: Which of the following statements about the 5' end of a polynucleotide strand of (Read 704 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?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

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.

Donor DNA is transferred as a single strand Donor DNA is transferred as a single strand
Which of the following statements is true of linkage? Which of the following statements is true of linkage?
Formation of a polynucleotide by a hypothetical dehydration reaction Formation of a polynucleotide by a hypothetical dehydration reaction
Daughter-strand gap repair Daughter-strand gap repair
Arrangement of polynucleotide strand Arrangement of polynucleotide strand
DNA strand elongation DNA strand elongation
Video: Exercise and cardiac output

For a complete list of videos, visit our video library