Author Question: Growth cones are defined as a. the influences of neighboring cells on differentiation. b. ... (Read 29 times)

maychende

  • Hero Member
  • *****
  • Posts: 556
Growth cones are defined as
 
  a. the influences of neighboring cells on differentiation.
 b. attractant chemicals that guide axon growth and inhibit meiosis.
 c. death genes that are expressed when a cell decides to die, leading to the formation of exact replacements for that cell.
  d. swollen ends of axons and dendrites that help the branch reach its synaptic target.

Question 2

Age-related loss in muscle mass appears to begin around the age of _________ years.
 
  a. 25
  b. 30
  c. 75
  d. 90



diesoon

  • Sr. Member
  • ****
  • Posts: 353
Answer to Question 1

d

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

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?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

For a complete list of videos, visit our video library