« previous next »

Author Question: Proto-oncogenes can change into oncogenes that cause cancer. Which of the follow (Read 720 times)

aero

  • Hero Member
  • *****
  • Posts: 512
on: Jun 29, 2013
Proto-oncogenes can change into oncogenes that cause cancer. Which of the following best explains the presence of these potential time bombs in eukaryotic cells?
A) Proto-oncogenes first arose from viral infections.
B) Proto-oncogenes normally help regulate cell division.
C) Proto-oncogenes are genetic "junk."
D) Proto-oncogenes are mutant versions of normal genes.
E) Cells produce proto-oncogenes as they age.


Hawke

  • Hero Member
  • *****
  • Posts: 679
Reply #1 on: Jul 1, 2013
I'd go with B. It makes sense.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

aero

  • Hero Member
  • *****
  • Posts: 512
Reply #2 on: Jul 23, 2013
Just got my test back, you're right!


« previous next »
 

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Pancreatitis. Inflammation of the pancreas may be the result of a bacterial infection, trauma, or ch Pancreatitis. Inflammation of the pancreas may be the result of a bacterial infection, trauma, or ch
Digital rectal exam (DRE). The physician’s index finger is inserted into the rectum and pressed agai Digital rectal exam (DRE). The physician’s index finger is inserted into the rectum and pressed agai
Staging of Cancer Staging of Cancer
Climate Change: Volcanoes Climate Change: Volcanoes
The age-adjusted rate of melanoma, a deadly form of skin cancer, from 1973 to 2000. Over that time p The age-adjusted rate of melanoma, a deadly form of skin cancer, from 1973 to 2000. Over that time p
Cytotoxic T Cell Killing a Cancer Cell Cytotoxic T Cell Killing a Cancer Cell
Video: Brain Anatomy Animation (Part 1 of 2)

For a complete list of videos, visit our video library