The supralittoral zone is:
a. the area below the low tide mark.
b. the area above the high tide mark.
c. the area between low and high tide marks.
d. the area under the rocks.
B
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Goblet cells are located in columnar epithelium and secrete mucus.
a. true b. false
Base analogs may cause mutations because
A) they modify the chemical structure and properties of the normal base. B) they insert themselves between adjacent bases on the DNA strand and cause an extra base to be inserted during replication. C) they remove amino groups from bases, causing them to pair with the wrong base during replication. D) they may exist in alternate chemical states that pair with different DNA bases than the normal state during replication. E) Both A and C
The great deserts and associated arid areas of the world mostly lie along the western sides of the continents at about
A. 0° north and south latitude. B. 30° north and south latitude. C. 15° north and south latitude. D. 60° north and south latitude. E. 90° north and south latitude.
Consider the following proposed determining function for the number of views on the New York Times home webpage for a day, i. NumViewsi = 1400 - 700 Weekend Dayi + 200 Election Yeari + Ui, where weekend day is binary variable for if day i is a Saturday or Sunday, and election year is a binary variable for if day i is in an election year. Derive the formula for the change in views with respect to a change in going from a weekday to a weekend (holding Election Year constant).
A. Views increase by 200. B. Views increase by 1400. C. Views increase by 700. D. Views decrease by 200.