The term "junk DNA" is no longer used because these regions of DNA have been found to be associated with all of the following except
A) miRNAs.
B) speciation.
C) binding sites for regulatory regions.
D) All of the above have been associated with "junk DNA."
E) None of the above have been associated with "junk DNA."
D) All of the above have been associated with "junk DNA."
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Which of the following is true of DNA polymerase I?
A. It carries out lagging strand synthesis. B. It does not require the presence of a 3'-OH in order to initiate synthesis of DNA. C. It is responsible for RNA primer removal and replacement with DNA nucleotides. D. It seals the gaps or nicks produced during lagging strand synthesis. E. All of these choices are correct.
The link between mother and embryo through which nutrition, oxygen, and wastes pass is the
a. chorion. b. placenta. c. amnion. d. yolk sac. e. allantois.
Scrapie is an example of a ________ disease found in sheep and caused by a prion.
a) neurological b) gastrointestinal c) respiratory d) cardiovascular
Eukaryotes are ________ prokaryotes
A) more ancient than B) dependent upon C) more widespread than D) more numerous than