The process of generating monoclonal antibodies is labor-intensive and expensive. An alternative is to use polyclonal antibodies. A subpopulation of purified polyclonal antibodies that recognize a particular antigen can be isolated by chromatography

Which type of chromatography is used for this purpose?
(a) affinity
(b) ion-exchange
(c) gel-filtration
(d) any of the above


(a)

Biology & Microbiology

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Directional, light-triggered plant development is known as  

A.  thigmotropism. B.  phototropism. C.  thigmonasty. D.  photomorphogenesis. E.  acid-growth movement.

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Which cellular structure makes sugars and proteins in plants?

a. Vacuole b. Centriole c. Nucleus d. Golgi body e. Chloroplast

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The __________is structurally and functionally linked with the pituitary gland as a major center for __________

control. Fill in the blank(s) with the appropriate word(s).

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Iskander wants to live as long as his great-grandfather, who died at 104, strong and healthy almost to the last. What are some things that could make a difference for his pathway to good health and long life?

What will be an ideal response?

Biology & Microbiology