Truffles
A.
are ectomycorrhizas.
B. are a mushroom.
C. are a lichen.
D. form a sheath around a root of an appropriate tree.
E.
are ectomycorrhizas AND form a sheath around a root of an appropriate tree.
E.
are ectomycorrhizas AND form a sheath around a root of an appropriate tree.
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There are no discernible phenotypic effects for an individual with the genotype XYY
A. true B. false
At the yeast mating-type locus, the mating-type switch is initiated by introducing a double-strand break at the MAT locus. What would happen if the double-strand break were introduced at the HML? locus instead?
A. The information at MAT would change. B. The information at HML? would change. C. The information at HMLa would change. D. The information at HML? would stay the same. E. None of the choices given is correct.
Foraminiferan and radiolarian lineages are related, but different in that:
a. one has a mineral based shell and the other does not b. one has a chalk shell and the other has a silica shell c. one has a shell and one does not have a shell d. one is heterotrophic and the other is completely autotrophic e. one has a single, large mitochondria and the other has many
Due to its high productivity and biological diversity, this biome is considered the "nursery" of the sea.
A. coral reef B. sandy beach C. rocky beach D. ocean floor E. estuary