Lipids are not soluble in water; therefore, they must be ________ before they can be digested
Fill in the blank(s) with correct word
emulsified
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In the polymerase chain reaction (PCR) the DNA is first heated to break the hydrogen bonds between the two polynucleotide strands, producing two single-stranded molecules that will serve as templates. Which of the following choices would be the second step in PCR?
1.The mixture is cooled and primers bind to complementary DNA regions. 2.Taq polymerase synthesizes a complementary DNA strand for each single-stranded molecule. 3.The mixture is heated and primers bind to complementary DNA regions. 4.The DNA is cut into fragments with a restriction enzyme. 5.The DNA is stained.
A stretch reflex is
a. somatic. b. autonomic. c. both a and b. d. none of the above.
A rare disease is now understood to be caused by a single mutant gene. When the researcher learns that the gene encodes a ________, he says "Oh good! We may be able to treat the disease with recombinant protein produced in E. coli and delivered by injection."
A. ribozyme B. protein hormone C. component of chromatin D. mitochondrial enzyme E. cell-surface receptor
Autoimmune disorders are diagnosed using
A) detection of autoantibodies. B) blood tests. C) family history. D) metabolic factors. E) a collection of tests and careful assessment of signs and symptoms.