The order of whorls from the flower's periphery to the center is:
a. sepals, petals, stamens, and carpels.
b. carpels, petals, stamens, and sepals.
c. petals, carpels, stamens, and sepals.
d. sepals, carpels, stamens, and calyx.
e. calyx, carpels, stamens, and sepals.
a
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The fungus used in the production of saki and soy sauce is ________.
A. Saccharomyces cerevisiae B. Aspergillus fumigatus C. Aspergillus nidulans D. Aspergillus oryzae
The diploid garden pea plant has 14 chromosomes. The haploid fungus Neurospora crassa has 7 chromosomes. Neither organism has separate male and female individuals. Therefore, the number of linkage groups in these two organisms is
A) the garden pea has 14 linkage groups, and Neurospora has 7. B) the garden pea has 7 linkage groups, and Neurospora has 7. C) the garden pea has 8 linkage groups, and Neurospora has 8. D) the garden pea has 15 linkage groups, and Neurospora has 8.
Organisms that produce disease are pathogens
Indicate whether the statement is true or false
Pathogenic streptococci of the upper respiratory tract (such as Streptococcus pyogenes) are distinguished from non-pathogenic streptococci by
A) alpha hemolytic activity. B) beta hemolytic activity. C) no hemolytic activity. D) the absence of a capsule. E) the presence of a lysogenic phage.