Within the phylum apicomplexan, which gametes are motile?
A) Female
B) Male
C) None of the gametes are motile
B) Male
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Which of the following is not true of viroids?
A. Viroid RNA does not serve as mRNA nor does it direct the synthesis of mRNA. B. Viroids are small circular ssRNA molecules. C. Viroids have no protein capsids. D. Extracellular viroids have a lipid bilayer envelope.
Toadstools are an example of which type of fungus?
A. basidiomycetes B. ascomycetes C. chytrids D. glomeromycetes E. zygomycetes
The transposon "sleeping beauty" is:
A. a transposon from fish that was reactivated by mutation. B. a transposon from fish that was reactivated by introducing a plasmid that had a functional transposase. C. an artificially constructed transposon based on sequence comparisons of numerous inactive Tc1/mariner transposons. D. a retrotransposon of humans. E. a complex transposon that can move from cell to cell.
Ribozymes are non-protein molecules with catalytic activity
Indicate whether this statement is true or false.