Polarized cells are characterized by
A) random orientation within a tissue.
B) a polar flagellum.
C) random orientation within an organ.
D) distinct apical and basolateral sides.
E) both choices B and D
D) distinct apical and basolateral sides.
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Which of the following organisms best describes a catalase-negative, gram-positive coccus that is hemolytic on sheep blood agar, and bacitracin positive?
a. Streptococcus pyogenes b. Streptococcus pneumoniae c. Staphylococcus epidermidis d. Micrococcaceae spp.
Answer the following statement true (T) or false (F)
Linkage between a gene of interest and a DNA marker is being studied. A mating results in 19 parental and 1 recombinant offspring. The results of this mating are sufficient to conclude with confidence that the gene of interest and the DNA marker are linked.
The most costly health problem in the United States is
a. phlebitis. b. hypertension. c. heart failure. d. atherosclerosis. e. a stroke.
What is synthesis of RNA from a DNA template called?
A) Transformation B) Reverse transcription C) Transcription D) Translation E) None of these choices