Which of the following can cause enzyme activity to either increase or decrease?
A) changing the temperature
B) increasing the substrate concentration
C) both a and b
D) neither a nor b
A
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________ solar energy systems simply enhance absorption of solar energy without requiring mechanical power
Fill in the blank(s) with correct word
Which of the following sedimentary environments would produce the more well-sorted sedimentary rocks?
a. glacial b. river c. glacial river d. beach
Which of the following will have the lowest freezing point?
A) 0.1 M acetic acid, HC2H3O2 B) 0.1 M hydrochloric acid, HCl C) 0.1 M hydrofluoric acid, HF D) All have the same freezing point.
The psychrometer is used to obtain ____ and ____
a. dew point; relative humidity b. apparent temperature; heat index c. air pressure; saturation vapor pressure d. absolute humidity; actual temperature e. dew point temperature; specific humidity