Bacteria can have a natural resistance to a drug to which they have never been exposed.
Answer the following statement true (T) or false (F)
True
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In a given population of Drosophila, curly wings (c) is recessive to the wild-type condition of straight wings (c+)
You isolate a population of 35 curly winged flies, 70 flies that are heterozygous for straight wings and 45 that are homozygous for straight wings. What is the total number of alleles in the gene pool? A. 2 B. 150 C. 230 D. 300 E. 140
The name Lactococcus (Streptococcus) lactis
A. indicates that the subgenus is Streptococcus. B. indicates that the family is Lactococcus. C. indicates that Streptococcus is the old genus name. D. indicates that Lactococcus is the old class name.
Clams and other bivalves typically have:
a. dermal gills. b. gills adapted for trapping food. c. an operculum. d. book lungs. e. swim bladders
Biomass is a renewable energy source derived from the organic matter produced by living organisms. All of the following are sources of biomass EXCEPT
A) oxidation of metals. B) crops. C) bacteria. D) landfill sites. E) algae.