Areas with high levels of endemism are called species
A. islands.
B. fragments.
C. hotspots.
D. reserves.
C. hotspots.
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The Public Health Security and Bioterrorism Preparedness and Response Act identifies select agents and identifies a Tier 1 subset of particularly hazardous microorganisms.
Answer the following statement true (T) or false (F)
What is the function of the ampr gene in a plasmid vector?
A) It provides several unique restriction enzyme recognition sites for opening up the plasmid. B) It allows a researcher to separate bacterial cells with a plasmid from those without a plasmid. C) It contains an origin for replication of the bacterial chromosome. D) It allows a researcher to distinguish plasmids with an insert from those without an insert. E) It is required for packing plasmid DNA into bacteriophage heads.
Small swollen areas in the neck, groin, and axillary region are associated with _____
A) increased activity of the immune system B) blood sugar that is abnormally high C) dehydration D) sodium depletion
What moves the food from your mouth to your stomach when you swallow?
A. Pressure difference between zones of the esophagus B. Gravity C. Enzymes excreted by the salivary glands D. Peristaltic muscle contractions