If an epidemic is confined to a local area, it is usually called
A. an opportunistic infection.
B. a chronic infection.
C. an outbreak.
D. a pandemic.
E. a slow infection.
Answer: C
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In an experiment, the control group is
a. not subjected to experimental error. b. exposed to experimental treatments. c. maintained under strict laboratory conditions. d. treated exactly the same as the experimental group, except for one variable. e. statistically the most important part of the experiment.
Which of these biotechnologies involves the process of nuclear transfer?
A) cloning B) recombinant DNA C) genomics D) selective breeding
Which of the following correctly traces the path of urine?
A) Renal pelvis ? uterus ? bladder ? urethra B) Renal pelvis ? ureter ? bladder ? urethra C) Renal pelvis ? bladder ? ureter ? urethra D) Ureter ? urethra ? bladder ? renal pelvis E) Renal pelvis ? urethra ? bladder ? ureter
How could you increase the magnitude of inhibitory postsynaptic potentials (IPSPs) generated at a synapse?
A) increase sodium-potassium pump activity B) increase K+ permeability C) increase the influx of calcium D) All of the listed responses are correct.