In DNA profiles, the pattern of bands is _____
a. due to variations in restriction enzyme recognition sites in plasmid DNA
b. identical in all individuals
c. due to variations in STR alleles between individuals
d. due to the presence of transgenes
e. possible only when copious quantities of DNA are available
ANSWER: c
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A person with the genotype AB can receive blood of what type?
a) type A blood b) type B blood c) type O blood d) All of the above blood types would work fine. e) None of the above blood types would work.
Look at the cross section of a cell membrane of a eukaryotic cell. H+ ions are being pumped from a low concentration to a high concentration. Which of the following best describes the type of transport across the cell membrane?
A. active transport B. passive transport C. facilitated diffusion D. co-transport
In general, most cell inclusions function as energy reserves or as a reservoir of structural building blocks
Indicate whether the statement is true or false.
The functional link between cardiac muscle cells is called ____
a. intrinsic pacemakers b. nodes c. intercalated discs d. bundle branches e. extrinsic pacemakers