Some Mycoplasma species can be transmitted via sexual contact and lead to genitourinary tract infections in humans.
Answer the following statement true (T) or false (F)
True
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Knockout mice have been genetically altered to knock out specific genes. How are these mice most often used in research?
A) to study DNA replication in the defective genes (those that have been altered) B) to determine the role of proteins coded for by those genes that are knocked out C) to examine defects in DNA structure in those regions that have been altered D) to study the effect of radiation on DNA
Mechanisms that help generate heat and those that allow release of heat are an example of ____________________. Collectively, these mechanisms increase the __________________ of body temperature.
A. endothermic regulation; flexibility B. poikilothermic regulation; stability C. ectothermic regulation; flexibility D. antagonist effectors; stability
The “confusion effect” occurs ____
a. when one animal flees a threat and others in the group do the same b. when animals group and present a solid front to predators c. when there is a “selfish herd”
d. in a hierarchal living group e. in the mimicking of another species to escape predation
The pain produced in an internal organ may be
perceived as occurring somewhere else. This phenomenon is called a. mixed nerve messages. b. referred pain. c. phantom pain. d. psychosomatic pain. e. hypochondria