« previous next »

Author Question: Dark skin is found in populations near the equator. Why? a. It protects from frostbite. b. It ... (Read 76 times)

faduma

  • Hero Member
  • *****
  • Posts: 528
on: Jul 10, 2018
Dark skin is found in populations near the equator. Why?
 
  a. It protects from frostbite.
  b. It protects from overexposure to ultraviolet radiation.
  c. It helps prevent rickets.
  d. It protects from the damaging effects of UV radiation on folate.
  e. It increases the skin's exposure to ultraviolet radiation.

Question 2

Light-skinned people, when compared to dark skinned people
 
  a. produce too much melanin
  b. have rickets
  c. lack melanin
  d. have no melanocytes
  e. are not found in African populations


amynguyen1221

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jul 10, 2018
Answer to Question 1

d

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Examples of sensory receptors in the skin of mammals. Examples of sensory receptors in the skin of mammals.
Natural selection of a population for dark coloration. Natural selection of a population for dark coloration.
The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
Skin Skin
"Dark Matter" "Dark Matter"
Protein methylation protects proteins in two ways Protein methylation protects proteins in two ways
Video: Major Elements in Biological Molecules: Proteins

For a complete list of videos, visit our video library