« previous next »

Author Question: The retinas of predatory birds such as hawks ____. a. have no discernible fovea b. have a greater ... (Read 50 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
on: Jun 22, 2018
The retinas of predatory birds such as hawks ____.
 
  a. have no discernible fovea
 b. have a greater density of receptors than do humans on the top half of the retina
  c. have a greater density of receptors than do humans on the bottom half of the retina
  d. are virtually indistinguishable from the retinas of humans

Question 2

A possible treatment for Alzheimer's is the administration of drugs that ____.
 
  a. stimulate acetylcholine receptors
  b. inhibit the basal forebrain
 c. inhibit acetylcholine release
 d. increase tau production


JCABRERA33

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jun 22, 2018
Answer to Question 1

b

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Some male birds and mammals congregate in communal courting grounds called leks. Some male birds and mammals congregate in communal courting grounds called leks.
Yin Hong, Hundreds of Birds Admiring the Peacocks, Ming dynasty. Yin Hong, Hundreds of Birds Admiring the Peacocks, Ming dynasty.
Men who are at risk for heart disease and report work-related stressors are at greater risk of death ... Men who are at risk for heart disease and report work-related stressors are at greater risk of death ...
standard reduction potential (Eo), the greater the tendency of the oxidized form of a redox couple standard reduction potential (Eo), the greater the tendency of the oxidized form of a redox couple
Video: Gastrulation: cross section of the frog

For a complete list of videos, visit our video library