AP (Advanced Placement) Biology: Questions 543 - 546 of 868

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Question number: 543

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

Which of the following statement is least concerned with the primary immune response from the secondary immune response?

Choices

Choice (5)Response

a.

The role of memory cells in generating the response

b.

Which antigen is used to stimulate the responses?

c.

A difference in time when a maximum response is presented

d.

The level of the antibody response

e.

Which antibody class is predominant?

Question number: 544

» Molecular Biology of Eukaryotes

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MCQ▾

Question

In which way protein and steroid hormones shows similarity in the mechanisms controlling gene expression?

Choices

Choice (5)Response

a.

Both produce secondary messengers like cAMP, cGMP, inositol trisphosphate, diacylglycerol, and calcium

b.

Both specifically bind to surface receptors.

c.

Both bind to specific receptors.

d.

Both bind to receptors that acts as inducers and produce signals for production of RNA polymerase.

e.

Both have similarities in their structure

Question number: 545

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

Which one of the following is the simplest and smallest component of the immune system?

Choices

Choice (5)Response

a.

Lymph node

b.

Thymus

c.

Lymph nodule

d.

Spleen

e.

Lymph follicle

Question number: 546

» Circulatory, Immune & Lymphatic Systems

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MCQ▾

Question

A genetic blood disorder in which regularly shaped biconcave erythrocytes become folded like sickle under conditions of low blood oxygenation is

Choices

Choice (5)Response

a.

Thalassemia

b.

Anemia

c.

Sickle-cell anemia

d.

Leukemia

e.

Hemophilia

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