Author Question: What is the approximate ratio of on-center bipolar cells to off-center bipolar cells in the human ... (Read 89 times)

lindiwe

  • Hero Member
  • *****
  • Posts: 577
What is the approximate ratio of on-center bipolar cells to off-center bipolar cells in the human retina?
 
  a. 1:1
 b. 2:1
 c. 5:1
 d. 10:1

Question 2

As ________, snakes help to maintain their body temperature by ________.
 
  a. ectotherms; shivering and moving to a warm spot if it is too cold
  b. endotherms; shivering and trying to find a warm spot if it is too cold
  c. ectotherms; moving to a shady spot if it is too hot
 d. endotherms; moving to a shady spot if it is too hot



kmb352

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

a

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

For a complete list of videos, visit our video library