Which of the following is not a compound?
a. H2O
b. O2
c. NaCl
d. CO2
e. MgCl2
Answer: b. O2
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The symptoms that occur in cyclic 48- to 72-hour episodes in a malaria patient are
A. urinary frequency and pain, and vaginal discharge. B. sore throat, low grade fever, and swollen lymph nodes. C. chills, fever, and sweating. D. bloody, mucus-filled stools, fever, diarrhea, and weight loss. E. fever, swollen lymph nodes, and joint pain.
Fungi form functional associations with which of the following?
A. Phototrophic microbes B. Plant roots C. Plant roots and phototrophic microbes D. Animals
Refer to the accompanying figure. If you treated this organelle to remove ONLY the chlorophyll, which label indicates the portion of the organelle that would be most directly affected by this treatment?
a. A
b. B
c. C
d. D
e. E
All of the following are correctly matched "tissue system: function" except:
A. Ground tissue: anchors plant in the soil B. Dermal tissue: protects plant from pathogens and dessication C. Vascular tissue: moves molecules throughout plant's body D. All of these are correctly matched