« previous next »

Author Question: DNAase is an enzyme that catalyzes the hydrolysis of the covalent bonds that joi (Read 870 times)

camila

  • Hero Member
  • *****
  • Posts: 705
on: Jun 5, 2013
DNAase is an enzyme that catalyzes the hydrolysis of the covalent bonds that join nucleotides together. What would first happen to DNA molecules treated with DNAase?
A) The two strands of the double helix would separate.
B) The phosphodiester bonds between deoxyribose sugars would be broken.
C) The purines would be separated from the deoxyribose sugars.
D) The pyrimidines would be separated from the deoxyribose sugars.
E) All bases would be separated from the deoxyribose sugars.


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?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Breaking disulfide bonds in proteins Breaking disulfide bonds in proteins
Common mechanisms for enzyme-catalyzed bisubstrate reactions Common mechanisms for enzyme-catalyzed bisubstrate reactions
Hydrolysis reactions for some biochemically important phosphate compounds (part 2) Hydrolysis reactions for some biochemically important phosphate compounds (part 2)
How many double bonds they contain How many double bonds they contain
An Enzyme in Action Enzymes speed up reactions in your body An Enzyme in Action Enzymes speed up reactions in your body
Restriction-enzyme digestion of genomic DNA Restriction-enzyme digestion of genomic DNA
Video: Types of antimicrobial substances (interferons & complement protein)

For a complete list of videos, visit our video library