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

Author Question: ________ cells enable the immune system to respond quickly and robustly if the same antigen is ... (Read 80 times)

yoooooman

  • Hero Member
  • *****
  • Posts: 557
on: Feb 28, 2019
________ cells enable the immune system to respond quickly and robustly if the same antigen is encountered a second time.
 A) Secondary
  B) Primary
  C) Memory
  D) Responder
  E) Transponder

Question 2

In motor pathways, the only portion of the pathway that is outside of the CNS is the
 A) lower motor neuron.
  B) upper motor neuron.
  C) axon of the lower motor neuron.
  D) axon of the upper motor neuron.
  E) interneuron.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

TheDev123

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Feb 28, 2019
Answer to Question 1

C

Answer to Question 2

C


yoooooman

  • Hero Member
  • *****
  • Posts: 557
Reply #2 on: Feb 28, 2019
Thanks


TheDev123

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Feb 28, 2019
Welcome :)


« previous next »
 

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Rebound Tenderness, Quickly Release the Pressure Rebound Tenderness, Quickly Release the Pressure
The bicarbonate buffer system The bicarbonate buffer system
Human embryonic stem cells stained with Tra-1-60 (green) - a stem cell marker and nestin (red), a ne Human embryonic stem cells stained with Tra-1-60 (green) - a stem cell marker and nestin (red), a ne
BLOOD CELLS BLOOD CELLS
The endocrine system. The endocrine system.
The renin–angiotensin–aldosterone system The renin–angiotensin–aldosterone system
Video: Pressure volume relationships - Normal inspiration and expiration

For a complete list of videos, visit our video library