What is a pandemic?
A) a widespread disease outbreak in a particular region during a specific time frame
B) isolated infections in a particular population
C) an infection where the host does not have signs or symptoms
D) an infection routinely detected in a population or region
E) a widespread disease outbreak that spreads to numerous countries during a specific time frame
Answer: E
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Which of the following is never used for DNA typing?
A. PCR B. gel electrophoresis C. VNTR D. RFLP E. All of these can be used for DNA typing.
What are organized clusters of membrane proteins that selectively allow substances to cross into and out of the nucleus?
a. nuclear pore b. passive transport protein c. receptor d. nuclear envelope e. ribosome
Mutations that occur in one member of a gene pair that arose from gene duplication may create _____
A) a pseudogene B) a gene with a new function C) a gene family with two distinct but related members D) a pseudogene, a gene with a new function, and a gene family with two distinct but related members
Which of the following is considered a cardinal growth temperature?
A. The minimum temperature B. The optimum temperature C. The maximum temperature D. All of these are considered cardinal growth temperatures.