Bioluminescence genes have been transferred to
Escherichia coli bacteria in order to
a. identify an antibiotic effective against the strain.
b. kill them.
c. locate them in the patient.
d. cause them to become noninfective.
e. demonstrate their metabolic activity.
Answer: e
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What is the standard deviation for the mother's and daughter's heights?
A. Mothers: 6.07Daughters: 4.6 B. Mothers: 5.07Daughters: 4.6 C. Mothers: 6.07 Daughters: 5.6 D. Mothers: 4.07 Daughters: 4.6
What is not an ecological role of mangals? a. They stabilize sediments with their root system
b. They provide detritus for food chains to occur. c. They are direct subjects of herbivory. d. They serve as a nursery and refuge to animals.
Both low birth and death rates characterize the demographic transition. Which factors will lower birth and death rates for twenty-first century Homo sapiens?
What will be an ideal response?
Why do we only put one sugar (lactose, dextrose, or sucrose) in each broth?
What will be an ideal response?