The rusts and smuts that seriously affect crop plants are
A. ascomycetes.
B. zygomycetes.
C. chytrids.
D. basidiomycetes.
E. actinomycetes.
D. basidiomycetes.
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An extreme form of allergic reaction can result in severe respiratory distress and plummeting blood pressure. Which of the following is the medical terminology for this extreme reaction?
a. delayed hypersensitivity b. immunodeficiency failure c. anaphylactic shock d. systemic hypersensitivity
Whether one atom will bond with another depends
on the element and the number and arrangement of its a. protons. b. neutrons. c. electrons. d. neutrinos. e. pions.
Most (90 percent) of all cases of ____________________ cancer involve mutations of the MSH2 or
MLH1 genes, which destabilize the genome. Fill in the blank(s) with the appropriate word(s).
Mangrove swamps
A) are formed by a single species of tree adapted to variable salinities. B) have relatively anoxic soils. C) occur mostly in temperate latitudes. D) typically occur along rocky coastlines subjected to heavy wave action.