DNA polymerase requires a primer sequence to provide a ________ functional group to which the new DNA nucleotide can be added
Fill in the blank(s) with correct word
3? OH
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The ultimate evolutionary benefit to a male white-crowned sparrow's singing is to ____
a. attract a mate b. defend his territory c. advertise his availability as a sire d. intimidate rival males e. produce surviving offspring
The following regression results are from the first stage regression of Price on income and wholesale costs-which is serving as the instrument for a particular grocery product across different markets: Pricei = 3.2(1.0) + 4.3(0.8)WholesaleCostsi + 5.5(2.7)Incomei, where standard errors are reported in parenthesis. What conclusion can be drawn about the instrumental variable?
A. It's under reporting the effect of income on price. B. With a t-stat over 2.5 (4.3/0.8), the instrument is exogenous. C. It's unbiased. D. With a t-stat over 2.5 (4.3/0.8), the instrument is relevant.
Where within the nervous system do cells determine the exact nature of an odor sensation?
a. nasal passages b. nasal epithelium c. olfactory bulb d. thalamus e. cerebral cortex
The inducer of the lac operon is
A) galactose. B) glucose. C) allolactose. D) repressor protein. E) permease.