Suppose that you discover a fungus that makes both sexual and asexual spores. Suppose also that the sexual spores are made in groups of eight within a structure that bursts open to release the spores. And the structures containing sexual spores are found within a multicellular structure that is about 13 cm tall. Into which group should you classify this fungus?
a. Basidiomycota
b. Zygomycota
c. Glomeromycota
d. Ascomycota
Ans: d. Ascomycota
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What is the most likely consequence of a mutation that causes sporopollenin to degrade quickly after it is synthesized?
A. A reduction in the ability of pollinators to detect and transfer pollen grains to a stigma. B. A reduction in the ability of pollen and spores to disperse to new areas. C. A reduction in the ability of the integument of an ovule to develop into a seed coat. D. A decrease in the number of sperm that can be produced. E. A decrease in the ability of the pollen grain or spore to open when a suitable location is found.
Groups of bacteria living together in a close knit
group are also known as a. eukaryotes. b. all pathogenic bacteria. c. monophylogenic cultures. d. biofilms. e. all of these.
Four of the five protists listed below are parasitic
Select the exception. a. Plasmodium spp. b. Amoeba proteus c. Giardia lamblia d. Trypanosoma brucei e. Phytophthora infestans
For a P1 transduction experiment, an E. coli donor strain with the genotype arg+, ser+, ampR and a recipient strain with the genotype arg-, ser-, ampS were used
The following results were obtained for each marker: Of the transductants selected for arginine, 5% are ser+ and 30% are ampR. Of the transductants selected for serine, 3% are arg+ and 0% are ampR. What is the correct order and relative distance of these three genes on the E. coli chromosome?