A(n) ________ is a disease in which antibodies attack specific cells of the body.
Fill in the blank(s) with the appropriate word(s).
autoimmune disease
An autoimmune disease is a disease in which antibodies attack specific cells of the body.
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Which of the following is not a typical occurrence in the history of a transposon's appearance in an organism?
A. Transposons could be dispersed to a new host cell by conjugation, viral infection, or accidental uptake of DNA by the cell. B. After its introduction into the new host cell, the transposon is likely to experience a period of high transposition activity. This activity is unlikely to be detrimental to the host cell. C. After introduction into the new host cell, the transposon is likely to increase its copy number. D. Eventually, the transposon becomes subject to silencing processes including mutations in the transposase gene. E. The host may find a way to shut down transposition. One common method is RNA interference.
Fragile X syndrome is caused by expansion of a trinucleotide repeat in the 5? UTR of the FMR-1 gene. What is the simplest way to detect this expansion?
A) PCR using genomic DNA as template and two primers that are complementary to repeats on either side of the expansion, followed by gel electrophoresis B) PCR using genomic DNA as template and two primers, one complementary to the repeat region and the other complementary to unique sequence, followed by gel electrophoresis C) PCR using two primers that are complementary to unique sequences on either side of the repeat region, followed by sequencing the PCR products D) Direct exome sequencing using a microarray E) Whole-genome sequencing
In the female, __________ stimulates follicle maturation
a. GnRH b. LH c. FSH d. estrogen e. progesterone
the flap the covers the opening to the lungs during swallowing is the
What will be an ideal response?