Match each tissue/ organ with its status regarding our current understanding of its resident microbiota:
a. skin and mucus membranes
b. bladder and urine
c. brain
1. no known microbes, but microbial DNA has been detected
2. believed to harbor some microbes
3. definitively know to harbor microbes
a. skin and mucus membranes = 3. definitively know to harbor microbes
b. bladder and urine = 2. believed to harbor some microbes
c. brain = 3. definitively know to harbor microbes
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A. sterols. B. peptidoglycan. C. sphingolipids. D. phosphoglycerides.
Chemoreceptors play a role in the sense of _____
a. taste d. hearing b. smell e. both tast and smell c. touch f. all of these
What is one of the differences between cell division in plant cells and cell division in animal cells?
A) There is no DNA replication before cell division in plant cells. B) Plant cells separate by the formation of a new plasma membrane and cell wall in the middle of the cell. C) Plant cells separate chromosomes by attachment to the plasma membrane. D) Plant cells do not use a mitotic spindle to separate chromosomes.
What number is/are enveloped icosahedral virus(es)?
What will be an ideal response?