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 56 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?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Frog Frog
Melanopsin-Containing Ganglion Cells in the Retina Melanopsin-Containing Ganglion Cells in the Retina
Distribution of Rods and Cones on the Retina Distribution of Rods and Cones on the Retina
The retina-geniculate-striate system: the neural projections from the retinas through the lateral ... The retina-geniculate-striate system: the neural projections from the retinas through the lateral ...
Carbon-11 is used in medical imaging. The half-life of this radioisotope is 20.4 min. What ... Carbon-11 is used in medical imaging. The half-life of this radioisotope is 20.4 min. What ...
frog internal frog internal
Video: ACTH/Cortisol (glycogenolysis, protein catabolism, lipolysis and gluconeogenesis)

For a complete list of videos, visit our video library