A research group wants to conduct an artificial selection regime for the soil microbiome associated with soybeans. What factor would create the most difficulty for implementing the plan?
A. The available seeds lack genetic variety for the soybean genome.
B. The fields lie in just one county, lacking variability in sunshine levels or weather events.
C. The soils available lack variety for which microbe strains are present.
D. Whole genome sequences are not available for the majority of the soil microbe strains.
E. Soybean genes that interact with soil microbes are poorly characterized.
Answer: C
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A pupillary reflex is
(a) somatic. (b) autonomic. (c) both a and b. (d) none of the above.
The enzyme that catalyzes the formation of allolactose from lactose is:
A. galactoside permease. B. lactose isomerase. C. thiogalactoside tranacetylase. D. ?-galactosidase.
The eggs of which of the following intestinal parasites are not commonly found in feces and must be detected by other diagnostic techniques?
a. Giardia lamblia b. Cryptosporidium parvum c. Clonorchis sinensis d. Enterobius vermicularis