« previous next »

Author Question: DNAase is an enzyme that catalyzes the hydrolysis of the covalent bonds that joi (Read 858 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?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Examples of hydrogen bonds and DNA Examples of hydrogen bonds and DNA
Electrons Are Shared in Covalent Bonds Electrons Are Shared in Covalent Bonds
(PDB ID 7GCH) (b) A depiction of the enzyme emphasizing its surface (PDB ID 7GCH) (b) A depiction of the enzyme emphasizing its surface
Influence of substrate concentration on the rate of an enzyme-catalyzed reaction. Influence of substrate concentration on the rate of an enzyme-catalyzed reaction.
Comparison of free energies of hydrolysis of thioesters and oxygen esters Comparison of free energies of hydrolysis of thioesters and oxygen esters
Covalent bond Covalent bond
Video: Factors that influence muscle tension - Sarcomere length and force, understretched and overstretched

For a complete list of videos, visit our video library