Ancestors of whales are believed to have been artiodactyls, a group of terrestrial mammals including all of the following animals except ________
a. deer
b. antelope
c. pigs
d. horses
d
Biology & Microbiology
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A nutrient medium that has all of its chemical components identified and their precise concentrations known and reproducible is termed ________.
A. enriched B. reducing C. defined D. complex
Biology & Microbiology
What enzyme is used to "glue" together the ends of cut pieces of DNA?
a. DNA polymerase b. RNA polymerase c. DNA ligase d. restriction enzymes e. protease
Biology & Microbiology
Given the following gel, which protein has a more negative charge?
What will be an ideal response?
Biology & Microbiology
The modern era of genetic manipulation began when scientists first learned how to insert genes into
a. viruses b. roundworms c. bacteria d. Sheep
Biology & Microbiology