This topic contains a solution. Click here to go to the answer
|
Author Question: Vitamin A, found in carrots, is a vital ingredient needed to make photopigments in rod cells. (Read 38 times) |
Did you know?
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
Did you know?
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
Did you know?
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.