This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If an optic nerve of a mature frog is transected and half of the associated retina is destroyed, ... (Read 17 times)

nelaaney

  • Hero Member
  • *****
  • Posts: 560
on: Jun 22, 2018
If an optic nerve of a mature frog is transected and half of the associated retina is destroyed,
 
  A) the axons grow out from the retinal ganglion cells in the remaining half of the retina to their original targets on the optic tectum.
  B) the destroyed retina regenerates and then axons grow out from the complete retina and innervate the optic tectum in the species-typical fashion.
  C) the axons grow out from the retinal ganglion cells in the remaining half of the retina to targets systematically distributed over the entire optic tectum.
  D) half of the optic tectum degenerates.
  E) both A and D

Question 2

The first growth cone of a developing tract to reach the target is called a __________ growth cone.
 
  A) fast
  B) pioneer
  C) quick
  D) early
  E) premier


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

janeli

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


nelaaney

  • Hero Member
  • *****
  • Posts: 560
Reply #2 on: Jun 22, 2018
Thank you


janeli

  • Sr. Member
  • ****
  • Posts: 346
Reply #3 on: Jun 22, 2018
No problem :)


« previous next »
 

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?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Unnamed Frog (Formally Thought of as a Leopard Frog) Unnamed Frog (Formally Thought of as a Leopard Frog)
The Xenopus frog tadpole is a small, simple vertebrate. The Xenopus frog tadpole is a small, simple vertebrate.
Women who are monozygotic twins and have the same genes are more similar in their marital happiness Women who are monozygotic twins and have the same genes are more similar in their marital happiness
A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan
Electrical charge of the inner and outer regions of nerve cells Electrical charge of the inner and outer regions of nerve cells
The Structures of the Retina The Structures of the Retina
Video: Diversity of Living Creatures - Charles Darwin & the Beagle's Voyage

For a complete list of videos, visit our video library