Which is statement is TRUE?
A. If a muscular component of a pharyngeal arch migrates, it takes its innervation with it.
B. If a muscular component of a pharyngeal arch migrates, its innervation degenerates and is replaced at its destination.
C. If a muscular component of a pharyngeal arch migrates, only its attachment changes. Its origin remains at the first location.
D. Muscular components of pharyngeal arches acquire their innervation at their destination.
Answer: A. If a muscular component of a pharyngeal arch migrates, it takes its innervation with it.
You might also like to view...
At one end of a tRNA molecule is a sequence of 3 nucleotides called an anticodon that ____
a. signals the production of a ribosome b. signals the unwinding of the DNA coils c. initiates the movement of mRNA out of the cell nucleus and into the cytoplasm d. binds to its anti-complementary tRNA codon e. binds to its complementary mRNA codon
The endomembrane system did not start
developing until the atmosphere was a. high oxygen, high carbon dioxide. b. high hydrogen, low oxygen. c. changing from low oxygen to high oxygen. d. firmly in the age of aerobes. e. all of these
Xeroderma pigmentosum (XP) is a rare autosomal recessive disorder. Patients with XP exhibit a cellular hypersensitivity to ultraviolet (UV) radiation, a high incidence of skin cancer, and premature aging. Based on these clinical characteristics, what is the most likely cause for this disease?
A. lack of telomerase activity B. defects in DNA repair C. shortened telomeres D. defects in DNA replication
The loss of function of the ____ renders fish unable to school
a. vestibular apparatus b. statocyst c. lateral line d. eyes e. saccule