________ separates proteins based on their attraction to a specific molecule attached to the surface of the matrix (or beads) of a chromatography column

Fill in the blank with correct word.


Answer: Affinity chromatography

Biology & Microbiology

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Interpreting stable isotopic fractionation depends on the fact that most enzymes preferentially bind ________ isotope substrates over ________ isotope substrates

A) nonradioactive / radioactive B) light / heavy C) heavy / light D) radioactive / nonradioactive

Biology & Microbiology

A cloned mammal is made by removing the DNA from the unfertilized egg of an egg donor, replacing it with DNA from a cell of a mature animal, and then implanting that cell into the uterus of a surrogate mother. The cell then divides and behaves as if it were a regular embryo. Answer the following question regarding a clone.Of whom is the baby a clone?

A. Surrogate mother B. Egg donor C. DNA donor D. It depends on whether it is male or female.

Biology & Microbiology

Identical (monozygotic) and fraternal (dizygotic) twins provide a natural experiment for investigating the influence of genetics on traits

Outline a study approach using twins, assuming you could identify enough pairs, in which you are examining the relative contribution of genetics on blood cholesterol level.

Biology & Microbiology

Many pathogenic bacteria produce a(n)________ that protects them from phagocytosis by host cells

a. flagellum b. pilius c. capsule d. endospore

Biology & Microbiology