Identify the statement that correctly describes hydrogen bonds.
A) any bond with a hydrogen
B) attraction between a slightly positive atom of one molecule and a slightly negative atom of another molecule
C) a bond between two hydrogen atoms to form H2
D) attractions between hydrogen and oxygen to form a water molecule
E) attractions between oppositely charged ions
B) attraction between a slightly positive atom of one molecule and a slightly negative atom of another molecule
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The method of movement that requires the
expenditure of ATP molecules is a. simple diffusion. b. facilitated diffusion. c. osmosis. d. active transport. Ground Rules of Metabolism 43 e. bulk flow.
DZ twins are no more or less genetically similar to each other than ____________________ are. Fill in the blank(s) with the appropriate word(s)
For polymerase chain reaction to occur,
a primers must hydrogen-bond to the template DNA b. all DNA fragments must be identical. c the DNA must remain double stranded. d. a sticky end must be available for the ligase enzyme to function. e. all of these must occur.
The stain that requires heating the slide for better penetration of stain into the mycobacterial cell wall is known as the:
a. Kinyoun's. b. Ziehl-Neelsen. c. fluorochrome. d. carbolfuchsin.