What is true of the Shannon diversity index? Select all that apply.
_____ Within a community, Its value increases as the number of species sampled increases.
_____ Its value is independent of species relative abundance.
_____ It does not take into account very rare species.
_____ Its value increases when individuals are more evenly distributed among species
__X__ Within a community, Its value increases as the number of species sampled increases.
_____ Its value is independent of species relative abundance.
_____ It does not take into account very rare species.
__X__ Its value increases when individuals are more evenly distributed among species
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Receptors on the surface of ____________________ T cells recognize the antigens displayed on the surface of an infected cell
Fill in the blank(s) with correct word
Which of the following has a single strand of DNA shaped like a loop?
a. Plasmids b. Prokaryotes c. Eukaryotes d. Gametes
A researcher studying the impact of agricultural pesticides on native plants discovers a bacterium capable of degrading small amounts of a specific pesticide. The researcher then modifies the bacterial species in the lab to increase the rate of pesticide
degradation. This research represents A) applied microbiology. B) environmental microbiology. C) food microbiology. D) both food microbiology and environmental microbiology. E) both applied microbiology and environmental microbiology.
RNA generally functions as a regulator by
a. base-pairing with a single-stranded region. b. influencing ribosomal activity. c. recruiting proteins to gene promoters. d. catalyzing biochemical reactions. e. participating in chromatin remodeling.