How many quanta of light are needed to reduce one molecule of carbon dioxide to carbohydrate during photosynthesis?
A. 10-12
B. 2
C. 3
D. 4
Answer: A
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Production of asexual spores in ascomycetes often occurs on ____
a. basidia b. conidiophores c. sporangia d. asci e. zygospores
____ are enzymes found in the ____ secreted
by cells lining the body's interior tubes and cavities.
a. Lysozymes; proteins b. Peroxidases; acid c. ATPases; mucus d. Lysozymes; mucus e. Peroxidases; mucus
Zooplankton are which of the following?
A. producers B. secondary consumers C. decomposers D. tertiary consumers E. primary consumers
A homeschooled child recently visited an ailing great-grandparent who was complaining of a painful rash. Even though the child had had no contact with children suffering from chickenpox, the child developed chickenpox. How did the child contract the infection?
A) The virus was likely contracted from fomites. B) The adult had chickenpox and exposed the child. C) An insect vector infected the child. D) The adult had shingles and the child was exposed to virus particles. E) There is insufficient information for a conclusion.