How does a high pH affect an enzyme's activity?
a. It deceases it.
b. It increases it.
c. It changes the shape of all enzymes.
d. It does not affect the enzyme but it lowers the availability of substrate.
e. It varies with different enzymes; some work well at a high pH, others do not.
e
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Household wiring can emit electromagnetic waves of frequency 60 Hz. What is the wavelength of these waves?
A. 
B. 
C. 
D. 
E. 
What are the advantages and disadvantages of using explicit and implicit difference equations?
EXPLAIN (a) Advantages and disadvantages of explicit and implicit methods
A spring is characterized by a spring constant of 60. N/m. How much potential energy does it store, when stretched by 1.0 cm?
A) 600. J B) 6.0 ?J C) 60. J D) 0.3 J E) 0.003 J
A capacitor having, C1, is connected to a battery until charged, then disconnected from the battery. A second capacitor, C2, is connected in parallel to the first capacitor. Which statements below are true?