__________ 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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Geosmin, which contributes to the characteristic earthy odor of soils, is produced primarily by the genus ________.
A. Paramecium B. Armillaria C. Streptomyces D. Caenorhabditis
Biology & Microbiology
The mechanisms that control the number of crossover events in a cell have been well characterized
Indicate whether the statement is true or false.
Biology & Microbiology
Tubular secretion takes place in the ____
a. glomerulus b. Bowman’s capsule c. loop of Henle d. distal tubules e. collecting ducts
Biology & Microbiology
Cartilage-forming cells are referred to as chondroblasts
Indicate whether the statement is true or false
Biology & Microbiology