The __________ is the pelvic girdle, pectoral girdle, and paired limbs. Fill in the blank(s) with the appropriate word(s)
appendicular skeleton
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Which level of gene regulation is the primary level for prokaryotes?
a. epigenetic level b. translation level c. transcriptional level d. post-transcriptional level
In phi X 174 phage, whose genome is a single-stranded, circular DNA known as the – strand, replication occurs by the rolling circle method. In which order must the events of replication occur?
A) nicking of the – strand, binding of relaxase protein to the 5? end, DNA synthesis of a + strand, separation of + from – strands, circularization of both strands B) synthesis of a + strand, nicking at the origin, binding of protein to the 5? end, DNA synthesis, displacement of the + strand when replication passes the origin, circularization of the + strand C) synthesis of a + strand, nicking of both strands to separate them, recircularization of both strands D) binding of a protein at the origin of the – strand, synthesis of a + strand, release of the + strand
The recent epidemic of SARS virus was caused by a(n)
A) adenovirus. B) rhinovirus. C) coronavirus. D) flavivirus. E) togavirus.
Molecular barcodes are
A. DNA sequences used to identify and catalog biodiversity. B. barcodes stamped on vegetables in the supermarket to indicate freshness. C. genetic inversions used to detect crossovers. D. radioactively labeled genes used to detect horizontal transfer of genes.