Diagram the evolution of microphylls and megaphylls. What will be an ideal response?
These processes are diagrammed in Figure 27-12 on textbook page 572.
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Regulates movement of mineral ions into root xylem.
Choose the letter of the best match: A. abscisic acid B. trichomes C. aquaporin D. endodermis E. stoma
?In the photograph of the zygote fungus Pilobolus, what are the dark "hats" atop of the structures?
a. hypha
b. gametangium
c. zygote
d. sporangium
e. nucleus
A laboratory technologist splashed a blood specimen onto his face, eyes, nose, and mouth. This specimen was from an HIV positive patient. If this blood exposure leads to HIV infection in the technologist, the transmission route is
A. direct. B. fomite. C. droplet nuclei. D. aerosol. E. vehicle.
Why would a researcher choose to engineer a synthetic gut microbiome, versus simply performing a fecal transplant?
A. Fecal transplants are not possible. B. More species can be transplanted by engineering. C. Only a single species is responsible for benefits anyway. D. Fecal transplants are too expensive. E. Better control over the levels of helpful and harmful species.