Select the statement below that is false
A) Meiosis results in haploid cells while mitosis results in diploid cells.
B) A cell undergoing meiosis results in 4 cells while a cell undergoing mitosis results in two cells.
C) Meiosis occurs only in stem cells while mitosis can occur in any of the body's cells.
D) Meiosis occurs only after the onset of puberty and produces genetically unique cells while mitosis occurs throughout an entire life time and produces genetically identical cells.
C
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Which of the following is true regarding skin cancer and ultraviolet (UV) light??
A) ?The skin needs exposure to the sun to manufacture vitamin K. B) ?Tanning beds are safe, as they do not emit UV rays. C) ?Wait until after 1 p.m. to be in the sun, when it is less intense. D) ?The incidence of basal and squamous cell carcinoma is on the rise.
A child hanging upside down from a tree takes a bite from a candy bar. They manage to chew the candy and swallow it successfully. How does the bolus move along the esophagus?
A. Because gravity is the main way the bolus travels to the stomach, the epiglottis pushes the bolus into the esophagus and forces it to remain there until the child returns to an upright position. B. Because gravity is the main way the bolus travels to the stomach, the pharyngeal constrictor muscles push the bolus into the esophagus and force it to remain there until the child returns to an upright position. C. Inhalation from the larynx sucks the bolus through the esophagus. D. The esophagus undergoes peristalsis and the muscular movements force the bolus to the stomach, even against the force of gravity.
Which organ is the only organ connected to the anterior body wall by a mesentery in the adult?
A) liver B) transverse colon C) stomach D) small intestine
This figure shows a posterior view of the right thigh. What muscle does number 1 indicate?
A. Semitendinosus B. Biceps femoris C. Adductor magnus D. Semimembranosus E. Gluteus maximus