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