Reptiles are __________ (cold-blooded animals) with scales. Fill in the blank(s) with the appropriate word(s)
ANSWER: ectotherms
Biology & Microbiology
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The spores of streptomycetes are
A. motile by means of pseudopodia. B. motile by means of cilia. C. nonmotile. D. motile by means of flagella.
Biology & Microbiology
The upstream activator sequences (UASs) of yeast are analogous to ______________ in higher eukaryotes
A. promoters B. TATA boxes C. operators D. enhancers
Biology & Microbiology
Which of the following has no part in today’s
concept of natural selection? a. inheritance of acquired characteristics b. competition for limited resources c. inherited variation d. overproduction of offspring e. survival of the best adapted
Biology & Microbiology
A hypothesis supported by one experiment can be considered a theory
a. true b. false
Biology & Microbiology