Author Question: Why is the helical configuration of DNA important? a. Permits purines and pyrimidines to bond ... (Read 222 times)

james9437

  • Hero Member
  • *****
  • Posts: 568
Why is the helical configuration of DNA important?
 
  a. Permits purines and pyrimidines to bond
  b. Permits transcription of DNA by RNA polymerase
  c. Stabilizes the molecular structure
  d. Prevents occurrence of protein structural abnormalities (e.g., point mutations, translocations)

Question 2

What is a tumor-suppressing cellular protein that can sense early DNA damage?
 
  a. p53
  b. Transfer RNA
  c. Apoptosis protein
  d. RNA polymerase



covalentbond

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

ANS: C
The helical configuration of DNA, where the strands twist, stabilizes the DNA molecule and protects the bases from the environmental damage.

Answer to Question 2

ANS: A
The tumor-suppressing cellular protein that can sense early DNA damage is p53.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

For a complete list of videos, visit our video library