The endosperm of an angiosperm seed is typically:a
haploid (1n).
b. diploid (2n).
c. triploid (3n).
d. quadraploid (4n).
e. pentaploid (5n
C
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Gas gangrene is always caused by:
A) Bacillus anthracis. B) Clostridium spp. C) Staphylococcus aureus. D) Streptococcus pyogenes.
Lack of testosterone and presence of anti-Mullerian hormone induces a human embryo to develop as a _____ by promoting development of the _____.
Fill in the blank(s) with the appropriate word(s).
How can Helicobacter pylori infection be detected?
A. Breakdown of urea B. Production of oxidase C. Hydrogen sulfide production D. Lactose fermentation E. Sensitivity to bacitracin
A computer file that contained high-resolution, scaled images of hundreds of individual plants from a recently surveyed island, but no other information about the plants, might allow you to separate the plants into species using which species concept?
a. Morphological b. Biological c. Ecological d. Phylogenetic e. No species concept could be usefully applied using these data.