Modifications of previous behavior based on experience represent
A. learning.
B. fixed actions.
C. external stimuli.
D. adaptations.
A. learning.
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In ____, genes at one locus mask the effect of genes at another locus
a. incomplete dominance b. codominance c. epistasis d. polygenic inheritance e. pleiotropy
From which of the following fungi was LSD
first isolated?
a. Saccharomyces b. Aspergillus c. Ergot d. Morel e. Cephalosporium
Which organism is a common cause of meningitis in AIDS patients and can be found in bird droppings?
A. Cryptococcus neoformans B. Haemophilus influenzae C. Neisseria meningitidis D. Listeria monocytogenes E. Streptococcus agalactiae
Short, circular strands of RNA that can cause plant diseases are called
A) viroids. B) bacteria. C) prions. D) viruses. E) archaea.