Molecular Genetics
What will be an ideal response?
It uses the techniques of biochemistry to study DNA structure and funtion.
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Bladder worms are found in
(a) proglottids in human feces. (b) proglottids in the human intestine. (c) improperly cooked pork. (d) none of the above.
The structures labeled 2 in Figure 43-2 are the:
a. ampullae.
b. cochleae.
c. utricles.
d. semicircular canals.
e. bony labyrinth
Often point mutations can cause a protein to be made that differs in just one amino acid. Which of the following changes is most likely to cause the greatest change in protein function?
A) a mutation that replaces a valine with an isoleucine B) a mutation that replaces a proline with an aspartic acid C) a mutation that replaces a glutamic acid with an aspartic acid D) a mutation that replaces a serine with a cysteine E) a mutation that replaces an asparagine with a glutamine
The shortest time required to kill all the microbes in a sample at a specified temperature is called the
A. thermal death point (TDP). B. sporicidal time. C. thermal death time (TDT). D. death phase point.