Which glial cell(s) is/are only found in the peripheral nervous system?
a. Schwann cells
b. oligodendrocytes
c. astrocytes
d. Schwann cells and oligodendrocytes
e. Schwann cells and astrocytes
A
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Which species would be considered more primitive based upon the structure of their limbs?
a. bats b. stem reptiles c. porpoises d. penguins e. birds
Which nitrogenous base pairs with adenine in a DNA molecule?
A) cytosine B) thymine C) uracil D) guanine
What enables competitive inhibitors to bind to a specific enzyme?
a. Competitive inhibitors have structures that resemble the enzyme's substrate. b. Competitive inhibitors have unique sugars that are attracted to the enzyme. c. Competitive inhibitors cover the entire surface of an enzyme. d. Competitive inhibitors form unique covalent bonds with enzyme structures.
Consider the following proposed determining function for a student's grade on the econometrics final, FinalGradei = 68 + 4 HoursStudiedi - 0.5 Num Other Finalsi2 + Ui, where hours studied is the number of hours studied during finals week by student i, and number of other finals squared is the number of other finals student i has during finals week squared. Derive the formula for the change in a student's final grade with respect to a unit change in the number of other finals the student has in finals week.
A. Final Grade increases by 0.5 × (Num Other Finals). B. Final Grade decreases by Num Other Finals. C. Final Grade decreases by 0.5. D. Final Grade increases by 4.