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 93 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?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Landsteiner's experiment demonstrating the exquisite specificity of the immune system. Landsteiner's experiment demonstrating the exquisite specificity of the immune system.
Drawing of spirochete's mobility system (with internal flagellae). Drawing of spirochete's mobility system (with internal flagellae).
Electrical Conduction System of the Heart Electrical Conduction System of the Heart
Ontario's electricity system four key components Ontario's electricity system four key components
Components of the lymphatic system Components of the lymphatic system
The purpose of mitosis is to take diploid cells and make two identical clones. A shows a simplified The purpose of mitosis is to take diploid cells and make two identical clones. A shows a simplified
Video: Natural Selection, Species Isolation and Real World Example

For a complete list of videos, visit our video library