Antigens and Antibodies

Antibodies are

• lipids

• polysaccharides

• cells

• proteins

Tags

NGSS.HS-LS1-1

Antibodies function ir 4 ways: complement activation, neutralization, agglutination and ...

(a)  

When complement proteins get activated, what molecules or structures are formed?

• Membrane attacking complex

• Anaphilatoxins

• Antibodies

• Memory cells

Where are memory cells stored in human body?

[2 words]

(a)  

When immune system forms antibodies against a virus, the most likely antigens are

• DNA or RNA of the virus

• proteins that protect nucleic acid (nucleocapsid)

• spike glycoproteins

• enzymes of the virus

If a person has blood type 'A negative', they form antibodies against

• A antigen

• B antigen

• Rhesus factor

Vaccination introduces immune system to

• unexpected side effects

• an unknown antigen

• a virus or a bacterium

• a disease

(a)   antibodies are produced by fusing memory cells with myeloma (cancer) to ensure their immortality and specificity.

What are the results of these pregnancy tests?

• A - positive

  B - negative

  C - invalid

• A - twins

  B - boy

  C - girl

• A - double positive

  B - positive

  C - negative

• A - failed

  B - control

  C - positive

Antihistamines are used

• to support immune cells

• to boost vaccines

• to suppress inflamation

• to reduce allergic reaction