Which statement is false regarding schizophrenia?
a. The genes responsible along with the
environmental conditions have now been
identified.
b. The disorder is characterized by delusion,
hallucinations, and abnormal social behavior.
c. Exceptional creativity is often associated with it.
d. Affected individuals show altered gene
expression in certain brain regions.
e. Family trees point to a genetic basis.
Answer: a
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Edge effects are the result of which of the following?
A. Populations of flora and fauna have emigrated from the core of their population center to the edge of their habitat. B. Metapopulations of some of the larger fauna have become more dominant on the landscape and as a result have increased the edge of their habitat. C. Habitat fragmentation or habitat shrinkage has occurred, and thus the edge of the habitat has increased in relative proportion. D. Habitat fragmentation or habitat shrinkage has occurred, and thus the edge of the habitat has decreased in relative proportion. E. Populations of particular species have decreased and are on the edge of extinction.
Pain receptors are classified as ____
a. Pacinian corpuscle b. free nerve endings c. muscle spindle d. Merkel’s discs e. Meissner’s corpuscle
Linked DNA segments from humans and vectors, such as plasmids, are called
____________________ molecules. Fill in the blank(s) with the appropriate word(s).
Nitrogenous wastes are primarily produced by
A. breakdown of amino acids. B. breakdown of carbohydrates. C. production of proteins. D. breakdown of fats. E. production of nucleic acids.