A theory is an integrated set of hypotheses that explains a broad set of observations
Indicate whether the statement is true or false
TRUE
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While our personal genomes can identify genetic risk factors, disease risk is often greatly increased by (select all that apply)
A. diet. B. exercise. C. exposure to drugs and other chemicals in our environment. D. exposure to ultraviolet radiation. E. none of these
Competitive exclusion is the result of
a. mutualism. b. commensalism. c. competition. d. predation. e. parasitism.
Respiratory distress syndrome is due to
a. a lack of surfactant in the lungs. b. premature birth. c. lack of prenatal care. d. a lack of surfactant in the lungs and premature birth. e. premature birth and lack of prenatal care.
An operon is:
a. a molecule that can turn genes on and off. b. an inducer bound to a repressor. c. a series of regulatory sequences controlling transcription of protein-coding genes. d. any long sequence of DNA. e. a promoter, an operator, and a group of linked structural genes.