Biochemistry

During the lag period between antigen contact and detection of adaptive immunity,

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Question: During the lag period between antigen contact and detection of adaptive immunity,
[A].

antigen is hidden from the immune system in macrophages

[B].

innate immune effectors are eliminating antigen

[C].

innate immunity blocks the activation of adaptive immune effector cells

[D].

new B and T cells with the appropriate antigen specificity must be produced in the bone marrow

Answer: Option B

Explanation:

No answer description available for this question.

The antibiotic penicillin is a small molecule that does not induce antibody formation. However, penicillin binds to serum proteins and forms a complex that in some people induces antibody formation resulting in an allergic reaction. Penicillin is therefore

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Question: The antibiotic penicillin is a small molecule that does not induce antibody formation. However, penicillin binds to serum proteins and forms a complex that in some people induces antibody formation resulting in an allergic reaction. Penicillin is therefore
[A].

an antigen

[B].

a hapten

[C].

an immunogen

[D].

both an antigen and a hapten

Answer: Option D

Explanation:

No answer description available for this question.

Antibodies can be used

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Question: Antibodies can be used
[A].

for the localization of proteins in the cell

[B].

for protein purification

[C].

to catalyze chemical reactions

[D].

all of the above

Answer: Option D

Explanation:

No answer description available for this question.

Type A blood

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Question: Type A blood
[A].

can be used to donate to type AB individuals

[B].

can be used to donate to type B individuals

[C].

contains type B antigens on the surface of red blood cells

[D].

can always be used to donate to an Rh+ individual

Answer: Option A

Explanation:

No answer description available for this question.

Antibodies in the human immune system can identify approximately 108 different molecules Which one of the following is correct?

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Question: Antibodies in the human immune system can identify approximately 108 different molecules Which one of the following is correct?
[A].

This diversity is generated from 108 different immunoglobin genes

[B].

Many of these molecules are self-antigens

[C].

Most of these antibodies recognize proteins

[D].

Most of these antibodies recognize small organic molecules

Answer: Option C

Explanation:

No answer description available for this question.