The type of filter used in a laminar flow biological safety cabinet is called a(n) ________ filter.
What will be an ideal response?
HEPA (high efficiency particulate air)
HEPA
high efficiency particulate air
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In the first step of signal transduction, what is the trigger for the cellular response?
a. target protein b. kinase c. ligand d. second messenger e. effector
Many chromosome abnormalities (trisomies and monosomies) are not observed in the human population because
a. they are lethal and cause spontaneous abortion of the embryo early in development. b. all trisomies and monosomies are lethal early in childhood. c. meiosis distributes chromosomes to daughter cells with great precision. d. they are so difficult to count. e. the human meiotic spindle is self-correcting.
The 20 different amino acids found in polypeptides exhibit different chemical and physical properties because of different
A) amino groups. B) side chains (R groups). C) tertiary structure. D) carboxyl groups. E) Both A and B are correct.
Use the following dataset to answer the following question.StateYearSalesCapital ExpendituresWagesWestern2016$750,000$130,000$330,000Eastern2016$645,000$225,000$430,000Western2017$770,050$145,000$230,000Eastern2017$925,000$125,000$530,000Using a spreadsheet software, such as Excel, to preview different views of this dataset, such as Sales in the Eastern part of the country, would be aided by what?
A. Linear regression B. Scorecard C. Pivot table D. Cluster analysis