The Etr1 gene product in plants is a receptor for the gas ______, a plant hormone that regulates a diverse array of developmental processes, like seed germination, _____ and ______.
a) ethylene, flowering, stem growth
b) ethylene, flowering, fruit ripening
c) methylene, flowering, fruit ripening
d) ethanol, flowering, fruit ripening
Ans: b) ethylene, flowering, fruit ripening
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Based on the tree shown above, the presence of complex, multicellular fruiting bodies in Basidiomycete and Ascomycete lineages is an example of:
A. convergent evolution. B. a homologous trait. C. a synapomorphy uniting basidiomycetes and ascomycetes as sister taxa. D. a parsimonious trait. E. an ancestral character state.
Which microscope uses visible light?
A) confocal microscope B) differential interference contrast microscope C) fluorescence microscope D) scanning acoustic microscope E) scanning electron microscope
Is determined by the rate at which individuals are added to and subtracted from the population.
Fill in the blank with the corret word(s).
Explain how the transition to eukaryotic cells, through endosymbiosis, resulted in the loss of an individual's ability to reproduce independently
What will be an ideal response?