There is considerable evidence that community structure is influenced by interactions between species
Indicate whether the statement is true or false
TRUE
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Serovars are strains of a species that have distinctive antigenic properties.
Answer the following statement true (T) or false (F)
The current understanding of the membranes of the cell is based on the ________ model.
Fill in the blank(s) with the appropriate word(s).
Why is a drop in blood pressure potentially dangerous?
A. Once pressure drops, it can take hours to increase it again. B. Low blood pressure leads to gas bubbles in the blood that can cause a stroke or the "bends". C. If pressure is not high enough, blood vessels collapse and can become stuck closed. D. Active cells, like those in the brain, need a continuous supply of oxygen and nutrients.
What is the material contained within the cell walls of acid-fast bacteria that prevents most stains from penetrating the cells?
A) Mycolic acid B) Peptidoglycan C) Glycolipid D) Lipopolysaccharide