Nucleic acid blotting is commonly used in molecular biology. Northern blotting is used to detect the presence of which type of nucleic acid?
A) deoxyribonucleic acids
B) ribonucleic acids
C) unnatural nucleic acids
D) transfer ribonucleic acids
E) triphosphate nucleic acids
Answer: B
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The chemokine CCL2
A) attracts basophils, eosinophils, monocytes, and dendritic cells. B) stimulates production of inflammatory mediators. C) organizes an antigen specific immune response. D) attracts basophils, eosinophils, monocytes, and dendritic cells; stimulates production of inflammatory mediators; and organizes an antigen specific immune response.
Like the insects, the arachnids (spiders and so on) have
(a) three pairs of walking legs. (b) one pair of antennae. (c) true mandibles. (d) an abdomen.
Where does the Calvin cycle occur?
A. chloroplast inner membrane B. thylakoid membrane C. thylakoid lumen D. chloroplast stroma E. chloroplast outer membrane
In contrast to sulfur mustard, lewisite and phosgene oxime exposures:
A) do not result in the formation of blisters. B) have a delayed onset of signs and symptoms. C) cause a change in the structure of the cells. D) cause a rapid onset of signs and symptoms.