Would bile salts be effective if they were polar molecules instead of amphiphilic molecules?
A. If bile salts were polar molecules they would be effective because they will be able to interact with the micelle.
B. If bile salts were polar molecules they would be ineffective because they would not be able to interact with water molecules.
C. If bile salts were polar molecules they would be effective because they will be attracted to the fatty acid tails of the lipids.
D. If bile salts were polar molecules they would be ineffective because they would not be able to interact with lipids.
Answer: D. If bile salts were polar molecules they would be ineffective because they would not be able to interact with lipids.
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Which temperature scales have equal sized degrees?
A) Fahrenheit and Celsius B) Fahrenheit and Kelvin C) Celsius and Kelvin D) none of the above
A wood block is placed on top of the ice in a large bowl half full of ice. The bowl is then filled to the brim with water, with the wood block riding on top of the ice. As the ice melts,
A. the density of the water decreases. B. the water level falls below the rim. C. the water level rises and water spills out of the bowl. D. the water level does not change. E. the wood block descends, causing water to spill out of the bowl.
How many arcseconds are in one arcminute?
A) 10,000
B) 60
C) 360
D) 100
E) 3600
A ground observer measures the period of a pendulum moving as a part of an inertial frame of reference to be 2.30 s as the inertial frame moves by at a velocity of 0.800c. What would the observed period be of the same pendulum if its inertial frame were at rest with respect to the observer?
a. 3.03 s c. 1.84 s b. 1.38 s d. 4.25 s