The ability of certain cells to respond to chemicals in their environment is called
A) chemotaxis.
B) complement.
C) necrosis.
D) phagocytosis.
E) regeneration.
A) chemotaxis.
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As a result of a stomach virus, Melly has been vomiting and has not been able to keep her meals down. Her doctor discovers that waste is moving too quickly through her large intestine. Which of the following conditions does Melly have?
A. Diarrhea B. Constipation C. Vitamin deficiency D. Nonfunctioning colon
When the tubular maximum for a substance is exceeded,
A. more of the substance is reabsorbed. B. the excess remains in the urine. C. less of the substance is filtered in the renal corpuscle. D. more of the substance is actively secreted. E. the excess goes into the blood.
Pulmonary arteries transport ________
A) oxygenated blood to the lungs B) blood rich in carbon dioxide to the lungs C) oxygenated blood to the heart D) oxygenated blood directly to the aorta E) blood rich in carbon dioxide to the right atrium of the heart
A ________ allele is expressed only when homozygous
A) homologous B) homocentric C) recessive D) maternal E) dominant