The deactivation of NK cells due to binding of NK receptors to MHC I proteins is called
A) promoting.
B) phagocytosis.
C) licensing.
D) neutralization.
Answer: C
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Genomic pattern recognition begins with identification of ____ , which are telltale sequences that identify what type of sequence it is
Fill in the blank with the appropriate word.
Which of the following is a technique for rapidly replicating copies of regions of DNA?
a. cloning b. polymerase chain reaction (PCR) c. gel electrophoresis d. recombinant DNA
In which phase of meiosis does the chromosomal alignment tke place?
A) Prophase I B) Prophase II C) Metaphase I D) Metaphase II
A PCR was designed to clone a DNA sequence of 1.5 kb. When the products were run on an agarose gel, there was a smear of bands ranging from 1.5 kb to 6 kb. Which of the following is a reason for this result?
A) the thermocycler malfunctioned B) one of the primers did not bind C) the polymerase overran the reverse primer D) the polymerase denatured