What are oncogenes?
A. Environmental factors that affect DNA
B. Genes that code for uncontrolled production of cellular growth factors
C. Blood vessel growth
D. Noncancerous growths
Answer: B
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The familiar brown color of human feces comes primarily from the orange-colored product of red blood cell breakdown that has been secreted in the bile and has become brown as it travels through the intestines. Which product contributes to this color?
A. Biliverdin B. Degraded platelets C. Ferritin D. Bilirubin
Which of the following is not secreted by the stomach in response to parasympathetic (acetylcholine) stimulation?
a. pepsinogen b. HCl c. gastrin d. histamine e. both gastrin and histamine are not secreted in response to parasympathetic stimulation.
Which of these surrounds a muscle fascicle?
A. Perimysium B. Epimysium C. Edomysium D. Deep fascia
The heat-promoting center is located in the hypothalamus, which triggers shivering
Indicate whether the statement is true or false