Author Question: The area of the retina that lacks large blood vessels and is responsible for central vision is ... (Read 83 times)

beccaep

  • Hero Member
  • *****
  • Posts: 535
The area of the retina that lacks large blood vessels and is responsible for central vision is called the:
 
  a. optic disk.
 b. anterior chamber.
 c. temporal retina.
 d. macula.

Question 2

Dystrophin, the protein that is affected by muscular dystrophy, normally acts to
 
  a. protect muscle fiber membranes during movement.
 b. clear the interior of muscle fibers of excess calcium.
 c. allow myosin and actin to interact during muscle contraction.
 d. protect muscle spindles from too much stretching during movement.



essyface1

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

d

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

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.

For a complete list of videos, visit our video library