Soil organisms like fungi, that are associated with roots are mostly parasitic and rarely benefit the host plant
A. True
B. False
B. False
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In a tetraploid species, a euploid individual would have ___sets of chromosomes.
A. 2 B. 4 C. 6 D. 8 E. 2n+2
What structures allow water to move laterally and vertically through xylem cells?
a. sieve elements b. companion cells c. sclereids in the cell walls d. pits in the cell walls e. perforated sieve plates
Solar radiation is more direct in tropical latitudes than in temperate latitudes
Indicate whether the statement is true or false
Which type of mutation converts a nucleotide to an alternative structure with the same composition but a slightly different placement of rare, less stable hydrogen bonds that cause base-pair mismatch?
A) depurination B) deamination C) tautomeric shift D) transition E) transversion