On what basis can cellular slime moulds be distinguished from plasmodial slime moulds?
a. reproductive structures
b. spore formation
c. food requirements
d. nuclei per cell
Ans: d. nuclei per cell
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Which is not true about mismatch repair?
A. It utilizes an endonuclease. B. It requires DNA polymerase and DNA ligase. C. It utilizes the state of methylation of the DNA to differentiate between strands. D. It removes both strands in the mismatch area.
Species diversity of plankton in the North Atlantic has been reduced by
a. global warming. b. oil spills. c. toxic compounds. d. solar flares. e. alteration of surface currents.
The fly agaric mushroom (Amanita muscaria) and the death cap mushroom (Amanita phalloides) are
members of which fungal phylum?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
High-intensity training in racehorses results in
a. muscle atrophy. d. no change in the expression of genes, but changes in phenotypes. b. the expression of genes in metabolism, oxidative phosphorylation, and muscle structure. e. changes in the expression of genes, but no changes in phenotypes. c. no phenotypic or biochemical changes