The physical place where members of a population typically live is termed a
A. symbiont.
B. niche.
C. habitat.
D. community.
E. competitive zone.
C. habitat.
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You place an inoculum of your bacterium on a glass slide and add a drop of hydrogen peroxide reagent. Promptly you see bubbles appear, indicating the presence of a particular enzyme that the bacterium produces. What type of identification test does this exemplify?
A. Immunochromatography B. Precipitation test C. Microarray D. Biochemical test
The process of making new DNA molecules is semi-conservative. This means that every new DNA molecule is composed of
A.) two completely identical strands of DNA. B.) one original and one new strand of DNA. C.) one strand of DNA and one strand of RNA D.) two strands that mix original and new DNA.
Which of the following is part of the structure of the mitochondria of a eukaryotic cell?
A. cilia B. cristae C. thylakoids D. inclusions E. nucleolus
Temperate grasslands and temperate deciduous forests are two different biomes that are located in the same latitudes. Which one of the following abiotic conditions is most likely to account for the differences in their community composition?
A. Sunlight B. Temperature C. A rain shadow D. Precipitation E. Soil nutrients