The cell walls of fungi are composed mainly of ____.
A. cellulose
B. lignin
C. chitin
D. pectin
E. protein
Answer: C
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The primary curves of the vertebral column are the
A) cervical, lumbar, and sacral. B) thoracic and coccygeal. C) cervical and thoracic. D) thoracic and sacral. E) dorsal and ventral.
Which of the following organisms produces the toxin associated with St. Anthony's Fire (ergotism)?
A. Claviceps purpurea B. Stachybotrys chartarum C. Aspergillus nidulans D. Amanita phalloides
Eukaryotic ribosomes may be free in the cytoplasm or attached to the ________.
What will be an ideal response?
. Using the logistic growth curve shown in the graph and what you know about population growth, what is represented by the dashed line?
a. biotic potential
b. exponential growth
c. carrying capacity
d. extinction of the population