Does the permeability of the membrane to water affect the equilibrium flowin-flowout value?
a. Yes
b. No
b
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What type of blood vessels has the slowest velocity of blood flow?
A) arteries B) arterioles C) veins D) capillaries
Many environmental factors influence the structure of biological membranes. Which of the following could permanently disrupt phospholipid bilayers in an aqueous solution?
A. the addition of acid to change the pH B. physical agitation of the solution C. slight elevation of the temperature
Cardiac muscle cells need to generate significant amounts of ATP to allow for constant contractile activity. As a result, they primarily depend upon beta-oxidation of fatty acids, which has a higher energy yield than the catabolism of glucose. What would be the ATP yield for beta-oxidation of a hypothetical 10-carbon fatty acid?
A. 62 ATP B. 32 ATP C. 65 ATP D. 50 ATP E. 35 ATP
In DNA transcription, a promoter is _____.
A) a start signal B) a DNA base sequence C) the location that binds RNA polymerase D) all of the choices