__________ is a technique that can be used to separate DNA molecules on the basis of their size

a. Separation gradient
b. Electrophoresis
c. Selective sorting
d. Cloning
e. PCR


B

Biology & Microbiology

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The mechanisms that control the number of crossover events in a cell have been well characterized

Indicate whether the statement is true or false.

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Tubular secretion takes place in the ____

a. glomerulus b. Bowman’s capsule c. loop of Henle d. distal tubules e. collecting ducts

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Cartilage-forming cells are referred to as chondroblasts

Indicate whether the statement is true or false

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