In which of the following biochemical reactions is it common to use ddNTPs (dideoxyribonucleoside triphosphates)?
A) plasmolysis
B) restriction digestion
C) immunoprecipitation
D) transfection
E) DNA sequencing
E
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Which of the following is not a shape seen in prokaryotes?
A. Spheres B. Rods C. Spirals D. Icosahedrals
Nucleotides have important function in cells as
a. building blocks for nucleic acids. b. carriers of chemical energy. c. intracellular signal molecules. d. All of the above
All of these answers are true of inflammation except __________.
A) granulocytes that have died are commonly engulfed by macrophages B) vasodilation causes redness in affected tissues C) histamine released by damaged host cells can result in vasodilation D) inflammation can be triggered by microbial infection, burns, exposure to chemicals, or trauma E) many neutrophils can be found at the site of chronic inflammation
A marsupial is a(n)
A) mollusk. B) reptile. C) amphibian. D) bird. E) mammal.