Phylogenetic analysis of DNA extracted from material collected by air samplers in the New York City subway system showed that its microflora were MOSTLY composed of organisms associated with
a. human skin.
b. soil.
c. outdoor air.
d. dust.
Answer: C
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Mastication is the process of chemically reducing food bulk into smaller particles to facilitate swallowing.
Answer the following statement(s) true (T) or false (F)
How long have prokaryotes lived on Earth?
What will be an ideal response?
Which of the following is true about use of diet pills for weight reduction?
What will be an ideal response?
What is the cause of hemolytic disease of the newborn?
A. The mother has eosinophilia during pregnancy. B. An O blood type mother produces anti-A antibodies which cross the placenta and react with the baby's A antigens. C. Antibodies of an A or B blood type mother cross the placenta and react with baby's O antigens. D. The mother produces anti-Rh antibodies which cross the placenta and react with baby's Rh antigens. E. The mother's mast cells degranulate in the placenta, damaging it.