Please match the diseases with their most common portal of exit.
Cholera
A) Respiratory tract (aerosols)
B) GI tract (saliva droplets)
C) Exudates from skin lesions
D) GI tract (diarrhea)
E) Reproductive tract (semen)
F) Blood through a contaminated needle
D) GI tract (diarrhea)
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The metabolic diversity of photosynthetic bacteria stems from different
A) bacteriochlorophylls and pigments they contain. B) chlorophylls they can have and organic compounds they can produce. C) light-harvesting complexes, electron donors, and organic compounds they produce. D) unrelated taxa capable of photosynthesis.
What are atmospheric low pressure zones? Where are they found, and why are these zones significant for traditional marine navigation?
What will be an ideal response?
How many possible orientations are there if a cell has four chromosome pairs?
A. 4 B. 8 C. 16 D. 32 E. It is impossible to determine.
Why is blood pressure higher during systole than during diastole?
A) The contraction of the heart during systole increases the blood pressure against arterial walls. B) The relaxation of the heart during systole increases the blood pressure against arterial walls. C) The contraction of the heart during diastole decreases the blood pressure against arterial walls. D) More blood flows into the heart during systole than during diastole.