Transduction is the result of what "mistake" that viruses make during replication?
A. cutting up the bacterial chromosome
B. cutting up the viral genome
C. transcribing bacterial genes upon excision
D. incorporating bacterial genes during excision
E. inserting a viral DNA fragment into the bacterial chromosome
A. cutting up the bacterial chromosome
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Once bound to a hormone, this receptor becomes active and catalyzes the transfer of a phosphate group to itself or intracellular proteins.
A. G-protein coupled receptor B. enzyme-linked receptor C. ligand-gated ion channel receptor D. mechanoreceptor E. thermoreceptor
Overexpression of ________ lead to the development of cancer in mice, and variations in their structure or amounts have been documented in various types of cancer cells.
Fill in the blank(s) with the appropriate word(s).
The determination of carbohydrate utilization patterns for the differentiation of Neisseria spp. and M. catarrhalis is best performed by:
a. incubation of inoculated cysteine trypti-case soy agar (CTA) with 1% dextrose, maltose, lactose, and sucrose for 48 to 72 hours. b. oxidative-fermentative (OF) medium with dextrose, maltose, lactose, and sucrose. c. heavy inoculation of buffered, low-peptone substrate with dextrose, maltose, lactose, and sucrose. d. carbohydrate testing strips.
The limbs, tail bud, and internal organs form.
Choose the letter of the best match: A. third trimester of pregnancy B. second month of pregnancy C. first month of pregnancy D. second trimester of pregnancy E. third month of pregnancy