DNA replication always proceeds in only one direction because the ________ of the incoming nucleotide is attached to the free ________ of the growing DNA strand
A) 5'-phosphate / 3'-hydroxyl
B) 3'-phosphate / 5'-hydroxyl
C) 5'-deoxyribose / 3'-base
D) 3'-base / 5'-deoxyribose
Answer: A
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Genetic linkage can be spotted by comparing the observed frequencies of ________ with the frequencies expected (assuming independent assortment)
Fill in the blank(s) with correct word
According to Bergmann's rule, as global temperature increases,
A) body size will increase. B) body size will decrease. C) territory size will increase. D) territory size will decrease.
Spherical bacteria are called ________
A) archaebacteria B) eukaryotes C) cocci D) bacilli E) None of these choices
Rodents are the normal hosts for which of the following encephalitis viruses?
A) eastern equine encephalitis (EEE) B) St. Louis encephalitis C) Venezuelan equine encephalitis (VEE) D) western equine encephalitis (WEE) E) West Nile virus