« previous next »

Author Question: DNAase is an enzyme that catalyzes the hydrolysis of the covalent bonds that joi (Read 879 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?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Hydrogen Bonds Can Form Between or Within Molecules Hydrogen Bonds Can Form Between or Within Molecules
The heme group viewed from the side. This view shows the two coordination bonds to Fe2+ The heme group viewed from the side. This view shows the two coordination bonds to Fe2+
Sandwich or capture enzyme immunoassay for patient IgM (double capture: IgM capture, Ag capture). Sandwich or capture enzyme immunoassay for patient IgM (double capture: IgM capture, Ag capture).
Hydrolysis reactions for some biochemically important phosphate compounds (part 3) Hydrolysis reactions for some biochemically important phosphate compounds (part 3)
Four types of covalent modifications that controls that activities of enzymes Four types of covalent modifications that controls that activities of enzymes
Enzyme activity varies with temperature Enzyme activity varies with temperature
Video: Definition of heart rate

For a complete list of videos, visit our video library