The only fungi capable of breaking down lignin are the ________
a. zygomycetes
b. basidiomycetes
c. mycorrhizae
d. ascomycetes
b
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Which of the following may be considered virulence factor(s)?
A. Edhesins B. Capsules C. Endotoxins D. Proteases E. All of the choices are correct.
In flatworms and sea anemones, circulation of
solutes and gases is by way of
a. interstitial fluid diffusion. b. an open circulatory system. c. a closed circulatory system. d. cell to cell transport. e. intracellular diffusion.
As DDT accumulates in the tissues of carnivores at increasing trophic levels, the concentration increases; this is representative of ________
Fill in the blank(s) with correct word
Chromosomes that look alike and carry the same sequence of genes for the same traits are
A)the X and Y chromosome. B)all the autosomes. c)homologous chromosomes. d)found in females only. e)found in males only.