Chromatophores are specialized cells in cephalopods that are responsible for:
a. bioluminescence.
b. changing colors.
c. regulating buoyancy.
d. maintaining osmotic balance.
e. excreting nitrogenous wastes.
B
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The specimen of choice for detecting tuberculous pulmonary mycobacterial disease is:
a. spontaneously produced sputum. b. gastric lavage. c. transtracheal aspiration. d. bronchoscopy.
A concerned citizen who suspects that a bioterrorism incident has occurred or will occur should contact 911.
Answer the following statement true (T) or false (F)
Diverticulitis occurs when pathogenic bacteria enter the colon. ?
Indicate whether the statement is true or false
Which part of the nephron contains podocytes?
A. descending limb of loop B. glomerular capsule C. proximal convoluted tubule D. distal convoluted tubule E. ascending limb of loop