Permafrost is associated with which of these biomes?
A) Littoral
B) Tundra
C) Grassland
D) Temperate deciduous forest
E) Northern coniferous forest
B
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Obligate anaerobes are usually poisoned by molecular oxygen but may grow in aerobic habitats if associated with facultative anaerobes that use up all available oxygen.
Answer the following statement true (T) or false (F)
Which of the following ciliates produces the disease ick in fish?
A. Nyctotherus B. Balantidium C. Ichthyophthirius D. Entodinium
The loading of dissolved sugars into the sieve tube elements of phloem is:
a. passive transport. b. active transport. c. osmosis. d. simple diffusion. e. facilitated diffusion.
Infection with enteroviruses, such as rotavirus and cytomegalovirus, has been implicated in the onset of type I diabetes. This area of research involves the study of ________.
A. molecular mimicry B. the gut microbiome C. sequestered antigens D. forbidden clones