The hepatic portal system is a special blood circuit between the ____ and ____
a. liver; spleen
b. kidney; liver
c. liver; intestine
d. kidney; heart
e. spleen; heart
c
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Horizontal gene transfer in Archaea
A) is infrequent in nature and therefore difficult to use for genetic studies in the laboratory. B) has not been documented, thus all genetic studies of archaea are done via genomic sequencing. C) frequently occurs in nature and has been used to perform genetic studies in the laboratory as well. D) frequently occurs in nature, but there are very few laboratory studies because archaea do not cause human disease.
A(n) ____________________ is verifiable information. Fill in the blank(s) with the appropriate word(s)
In order for bacteriophage to be released from the host by a lysis mechanism, enzymes are required that ________.
A. halt ATP synthesis B. damage the cell wall and cytoplasmic membrane C. degrade the host chromosome D. stabilize the cytoplasmic membrane and cell wall
While performing an ELISA, a lab technician fails to rinse away unbound detection antibody from the wells before adding the substrate for the reporter enzyme. What is the likely outcome of this error?
A) The test results will not be affected. B) The control wells will indicate a negative result, but the wells with the test sample will indicate a positive result. C) All wells, including controls, will indicate a negative result. D) All wells, including controls, will indicate a positive result. E) The outcome cannot be determined from this information.