The corpus callosum links the
A) forebrain and midbrain.
B) right and left cerebral hemispheres.
C) peripheral and central nervous systems.
D) thalamus and hypothalamus.
E) cerebrum and thalamus.
B
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What are inhibitors?
A. Molecules that inhibit protein synthesis B. Molecules that bind to an enzyme to help its reaction C. Molecules that prevent enzymes from working D. Molecules that allow reactions to proceed more quickly
What muscle has one nucleus found in the center and is tapered at the end?
What will be an ideal response?
A woman comes to your genetic counseling center because she knows that Huntington disease occurs in members of her family. Her paternal grandfather was afflicted, but so far her father shows no symptoms. Her two great-great grandmothers on her father's side were healthy well into their 90s, and one of her great-great grandfathers died of unknown causes at 45. Testing for Huntington disease is
extremely expensive, but she is concerned that she may fall victim to this disease and wants to plan her life accordingly. After examining her pedigree you advise her to A. not get tested because there is no possibility that she is homozygous. B. not get tested because only males in her family get the disease. C. get tested because her father could be a carrier. D. not get tested because her father is only a carrier and it is very unlikely her mother is a carrier. E. not get tested because her 40-year-old father shows no symptoms.
While it was a diverse group in the Mesozoic, the tuatara is one of only two living members of this
lineage.
a. Testudines b. Archosauromorpha c. Squamata d. Sphenodontia e. Amphibia