« previous next »

Author Question: A foreign antigen has entered the body, which has elicited the immune response. A helper T cell ... (Read 79 times)

corkyiscool3328

  • Hero Member
  • *****
  • Posts: 539
on: Aug 21, 2018
A foreign antigen has entered the body, which has elicited the immune response. A helper T cell binds to an antigen fragment on an antigen-presenting cell. What happens next?
 A) B cells produce more antibodies.
  B) A cytotoxic T cell destroys the antigen.
  C) Free antibodies attach to the antigens.
  D) A macrophage engulfs the target antigen.

Question 2

Meat replacements consumed by vegetarians are usually made of ____.
 A) soy protein
  B) fish protein
  C) bean plus rice proteins
  D) bean plus cheese proteins


vboyd24

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Aug 21, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Your heart beats over 36 million times a year.

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?

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

Human immunodeficiency virus gains entry into helper T cells, uses the cell DNA to replicate, interf Human immunodeficiency virus gains entry into helper T cells, uses the cell DNA to replicate, interf
Eukaryotic Cell Eukaryotic Cell
cell membrane cell membrane
The primary pulse points of the body. The primary pulse points of the body.
Phagocytosis. The cell engulfs and digests a bacterium. Phagocytosis. The cell engulfs and digests a bacterium.
Key foreign policy agencies Key foreign policy agencies
Video: Cerebral Cortex Animation

For a complete list of videos, visit our video library