When nerve impulses pass to the diaphragm, the diaphragm relaxes and exhalation occurs.
Answer the following statement true (T) or false (F)
False
When nerve impulses pass to the diaphragm it contracts and inspiration occurs.
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An antiseptic (or germicide) is distinguished from other sterilizing compounds by
A) being able to inhibit growth of microorganisms but not necessarily kill all of them. B) being able to be used on living tissues without harm. C) its ability to protect from subsequent microbial infectionsâ€"not just initial sterilization. D) killing all bacteria and microscopic fungi but not being effective against viruses.
Ice nucleation by psychrophiles
What will be an ideal response?
Transformation is the transfer of DNA from a donor to a recipient cell
A) by sexual reproduction. B) by a bacteriophage. C) by crossing over. D) by cell-to-cell contact. E) as naked DNA in solution.
When is genetic testing for sex determination valid?
a. In cases of severe sex-linked disorders for which no genetic test is yet available. b. Simply becasuse the couple wants a child of a particular sex. c. In order to have the “right” child. d. When the ultrasound has been inconclusive.