In some attine ants, various species of actinobacteria
a. are used as a food source.
b. produce vitamins in the ant gut.
c. are used to produce antifungals that protect the ant’s fungal gardens.
d. are highly pathogenic, resulting in the destruction of entire ant colonies.
Answer: C
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A researcher tests the hypothesis that large, daily doses of vitamin C help protect against catching the common cold. What would be the best experimental and control group to test this hypothesis?
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Some organisms do not have crossing over, and hold their homologous chromosomes together via
some other mechanism. Even though crossing over leads to genetic diversity, the absence of crossing over in these organisms does not prevent the production of diverse gametes. Why is this?
What will be an ideal response?Different organisms store glucose in various forms. You discover a new species. Upon chemical analysis, you find that it is comprised of significant amounts of glycogen. To which organism might this new species be related?
What will be an ideal response?