The expanded, initial segment of the uterine tube closest to the ovary is called the
A) vaginal fornix.
B) infundibulum.
C) tunnel.
D) ampulla.
E) os.
B
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Before a cell divides, its DNA must be replicated to
A) provide a backup copy of DNA in case the original DNA is damaged during mitosis. B) replace the DNA lost during transcription. C) supply each new cell with a full set of the genetic material. D) replace genetic instructions used by the original cell. E) use as an energy source during cytokinesis.
Order the following muscle cell components from larger to smaller 1 troponin 2 myofibril 3 sarcomere 4 thin filament 5 muscle fiber
a. 3, 4, 1, 5, 2 b. 1, 2, 3, 5, 4 c. 5, 4 ,3 , 1, 2 d. 5, 2, 3, 4, 1 e. 3, 4, 5, 2, 1
Striations are structures that join cardiac muscle cells together with gap junctions.
Answer the following statement true (T) or false (F)
Lack of a gag reflex would indicate dysfunction of the ________ nerve.
A. accessory B. trigeminal C. glossopharyngeal D. trochlear