« previous next »

Author Question: A foreign antigen has entered the body, which has elicited the immune response. A helper T cell ... (Read 69 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?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Microfilaments and Cell Movements Microfilaments and Cell Movements
Giardiasis. Colorized electron micrograph of a Giardia protozoan adhering to the surface of an epith Giardiasis. Colorized electron micrograph of a Giardia protozoan adhering to the surface of an epith
Wrap the client securely with sheets. (A) Lay one side of the sheet over the body. (B) Enclose the ... Wrap the client securely with sheets. (A) Lay one side of the sheet over the body. (B) Enclose the ...
Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body
The mitochondrion is the center of energy transformation in the cell The mitochondrion is the center of energy transformation in the cell
Assembly of a к light-chain gene in a B cell Assembly of a к light-chain gene in a B cell
Video: Monohybrid crosses

For a complete list of videos, visit our video library