Truffles are _______.
A. the mycelium or vegetative part of a fungus
B. underground fruiting bodies of a type of fungus that lives in symbiosis with certain species of trees
C. sporophytes
D. nodules that form as part of the roots of legume plants like beans and peas
B. underground fruiting bodies of a type of fungus that lives in symbiosis with certain species of trees
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The Caribbean islands are home to more than 150 species of anole lizards. How might so many species have evolved from a single common ancestor?
A. Lizards evolve more rapidly than other species. B. Mutation is more common on islands. C. The ancestor had a prezygotic barrier to reproduction. D. The species on an island went through allopatric speciation. E. They adapted to fill unoccupied niches.
Heat is required for the polymerase chain reaction. Indicate whether the statement is true or false
Why is agar a useful substance in the microbiology lab?
a) agar dissolves in water at about 60 C b) Agar does not solidify until it cools to about 40 C c) Agar is a good source of nutrients for microbes d) Solid agar melts at temperatures about 40 C
The enzymes for cellular respiration in eukaryotic organisms are located within the mitochondria. In prokaryotic organisms, these enzymes are attached to the
A. cell wall. B. cell membrane. C. ribosomes. D. circular DNA. E. nuclear membrane.