Which of the following is the term for free-living bacteria?
A) biofilms
B) pathogenic
C) planktonic
D) sessile
Answer: C) planktonic
Biology & Microbiology
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Which of the following countries is not a member of the European Union?
a. Switzerland b. Portugal c. Sweden d. Ireland
Biology & Microbiology
An Rh-positive baby can cause an Rh-negative mother to produce antibodies against the Rh antigen. When is this a problem?
What will be an ideal response?
Biology & Microbiology
Researchers primarily use transgenic animals to do which of the following?
a. Study the effects of recombinant genes. b. Extract and manipulate nucleic acids. c. Create multiple copies of mutant genes. d. Regenerate damaged tissue and organs.
Biology & Microbiology
At what level of biological organization does evolution take place?
A. community B. organism C. ecosystem D. population
Biology & Microbiology