How is gel electrophoresis used to demonstrate the molecular basis of SCD?
A) by revealing that the protein products of the ?A and ?S alleles have distinctive electrophoretic band patterns
B) by revealing variations in the length of a DNA restriction fragment that distinguishes the ?A and ?S alleles
C) by revealing variations in the exon splicing of the mRNA products of the ?A and ?S alleles
D) by revealing variations in the electrophoretic mobility of proteins and the restriction fragment length polymorphisms of DNA (both A and B)
E) by revealing variations in the electrophoretic mobility of proteins, the restriction fragment length polymorphisms of DNA, and the splice variants of the mRNA (A, B, and C)
D
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What is the difference between a strict anaerobe and a facultative anaerobe?
What will be an ideal response?
An increase in the rate of respiration indicates an
a. increase in ATP production. b. increase in ATP utilization. c. increase in O2 production uptake. d. all of the above.
Most people born with recessive disorders are born to parents who are both _________ or carriers for the recessive allele.
Fill in the blank(s) with the appropriate word(s).
Which of the following is required to make complementary DNA (cDNA) from RNA?
A) restriction enzymes (endonucleases) B) gene cloning C) DNA ligase D) reverse transcriptase