« previous next »

Author Question: Which of the following statements describes proto-oncogenes? A) Their normal fun (Read 714 times)

aero

  • Hero Member
  • *****
  • Posts: 512
on: Jun 29, 2013
Which of the following statements describes proto-oncogenes?
A) Their normal function is to suppress tumor growth.
B) They are introduced to a cell initially by retroviruses.
C) They are produced by somatic mutations induced by carcinogenic substances.
D) They can code for proteins associated with cell growth.
E) They are underexpressed in cancer cells.


Hawke

  • Hero Member
  • *****
  • Posts: 679
Reply #1 on: Jul 1, 2013
I'd go with D. 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
Perfect!! It was right lol


« previous next »
 

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Summation of Heart Sounds, Normal S2 Summation of Heart Sounds, Normal S2
EEG recordings showing the differences between normal, absence seizure, and generalized tonic–clonic EEG recordings showing the differences between normal, absence seizure, and generalized tonic–clonic
Examples of heart rhythms: normal. Examples of heart rhythms: normal.
Normal ECG tracing. Normal ECG tracing.
Microscopic image of prostate cancer. The tissue on the right is somewhat normal; the tissue on the ... Microscopic image of prostate cancer. The tissue on the right is somewhat normal; the tissue on the ...
Phases of the normal walking gait. Phases of the normal walking gait.
Video: Normal and abnormal blood pH

For a complete list of videos, visit our video library