Author Question: Guidepost cells release chemicals that a. repel all advancing growth cones. b. attract all ... (Read 25 times)

sdfghj

  • Hero Member
  • *****
  • Posts: 552
Guidepost cells release chemicals that
 
  a. repel all advancing growth cones.
 b. attract all advancing growth cones.
 c. can repel or attract advancing growth cones.
 d. form cell adhesion molecules.

Question 2

Motor neurons are
 
  a. evenly distributed throughout the gray matter of the spinal cord.
 b. evenly distributed throughout the white matter of the spinal cord.
  c. more numerous in spinal segments serving the middle torso.
 d. more numerous in spinal segments serving the arms and legs.



Perkypinki

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

c

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

For a complete list of videos, visit our video library