All of these flower structures are modified leaves EXCEPT
A) sepals. B) petals. C) stamens. D) carpels. E) pollen.
E
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A 28-year-old woman suspected of having sepsis caused by G. vaginalis has multiple blood cultures drawn; however, all sets were negative. Which one of the following statements explains this discrepancy?
a. The lot of blood culture media is most likely defective. b. The blood culture bottles should be incu-bated anaerobically to enhance the growth of the organism. c. G. vaginalis is inhibited by sodium po-lyanethol sulfonate (SPS) in the blood culture. d. No discrepancy is present. G. vaginalis remains localized and does not cause sep-sis.
The goal of immunization is to
a. limit the amount of time a person is ill with a disease. b. induce immunity to disease. c. enable infected individuals to recover from specific diseases. d. accomplish all of these. e. accomplish none of these
Contraction of the fibers labeled A in the accompanying figure results in:
a. elongation of the body.
b. elongation of the tentacles.
c. elongation of the gastrovascular cavity.
d. shortening of the body.
e. expansion of the pedal disk.
The study of energy is called ________.
Fill in the blank(s) with the appropriate word(s).