The single structure that allows locomotion in some cells is the
A) histone.
B) cilium.
C) microfilament.
D) flagellum.
E) intermediate filament.
D) flagellum.
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Important differences between the respiratory system of a newborn infant and a fetus that relates to the cardiovascular system includes which of the following? A) compressed ribs
B) collapsed pulmonary vessels C) lung conducting passageways containing only a small amount of fluid and no air D) high pulmonary arterial resistance E) All of the answers are correct.
The hormone ADH is released from the anterior lobe of the pituitary gland.
a. true b. false
Increased incidence of malignant tumor growth has been scientifically linked to stress in multiple studies.
a. true b. false
Which of the following statements apply to the sex chromosomes?
A) They are identified as XY in the female. B) They are numbered pair 23 in the karyotype. C) They contain the same genes as in the other pairs of chromosomes. D) They are found only in the cells in the gonads, the ovaries and testes.