In which of the following areas of the human body do secretions play the greatest role in preventing microbial colonization?
A. Genital tract
B. Stomach
C. Large intestine
D. Upper respiratory tract
Answer: B
Biology & Microbiology
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Roots obtain cations through cation exchange, where soil particles absorb ____ provided directly or indirectly by the root, and thus release cations.
a. Clb. b. K+ c. H+ d. water e. CO2
Biology & Microbiology
Fibrinogen's main function is as an osmotic counterforce.
Answer the following statement true (T) or false (F)
Biology & Microbiology
The scarcity of which two elements limits plant growth?
A. nitrogen, phosphorus B. oxygen, nitrogen C. oxygen, phosphorus D. carbon, phosphorus E. carbon, nitrogen
Biology & Microbiology
What stain is used to color endospores?
What will be an ideal response?
Biology & Microbiology