« previous next »

Author Question: How does a bacterial cell protect its own DNA from restriction enzymes? A) by ad (Read 659 times)

camila

  • Hero Member
  • *****
  • Posts: 705
on: Jul 3, 2013
How does a bacterial cell protect its own DNA from restriction enzymes?
A) by adding methyl groups to adenines and cytosines
B) by using DNA ligase to seal the bacterial DNA into a closed circle
C) by adding histones to protect the double-stranded DNA
D) by forming "sticky ends" of bacterial DNA to prevent the enzyme from attaching
E) by reinforcing the bacterial DNA structure with covalent phosphodiester bonds


Jesse_J

  • Sr. Member
  • ****
  • Posts: 282
Reply #1 on: Jul 4, 2013
It's definitely A, good luck with the rest.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

camila

  • Hero Member
  • *****
  • Posts: 705
Reply #2 on: Jul 9, 2013
Thanks :D


« previous next »
 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

The unwinding and replication of bacterial DNA. The unwinding and replication of bacterial DNA.
(a) The phagocytic process, beginning in the upper left with bacterial attachment and phagocytic ... (a) The phagocytic process, beginning in the upper left with bacterial attachment and phagocytic ...
Synthesis of polar head groups of bacterial phospholipids Synthesis of polar head groups of bacterial phospholipids
The major events in meiosis in an animal cell The major events in meiosis in an animal cell
Properties of Bacterial DNA Polymerases I, II, and III Properties of Bacterial DNA Polymerases I, II, and III
A truncated cell lineage chart for C. elegans A truncated cell lineage chart for C. elegans
Video: Effect of the environment on coat color in the Himalayan rabbit Animation

For a complete list of videos, visit our video library