In an aqueous environment, the phospholipids of a membrane ____
a. are arranged in a single layer
b. are arranged in a bilayer with the polar heads of each layer located at the surface
c. are arranged in a bilayer with the fatty acid tails located at the surface
d. are arranged in a bilayer but the phospholipids have no specific orientation
e. dissolve
B
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The enzyme succinate dehydrogenase is located in the inner mitochondrial membrane and is directly
involved in what two steps of cellular respiration?
a. glycolysis and pyruvate oxidation b. pyruvate oxidation and citric acid cycle c. citric acid cycle and electron transfer system d. electron transfer system and glycolysis e. electron transfer system and fermentation
Which of the following health problems might be cured with embryonic stem cell treatment? a. Muscular dystrophy b. All of these choices
c. Heart disease d. Parkinson's disease e. Blindness
A formal 2-part name, or binomial, combines the names of
a. a family plus a genus. b. a class plus a specific epithet. c. a genus plus a specific epithet. d. a family plus a class. e. a family plus a specific epithet.
When members of the gene pair carried by an individual are not alike, the individual is said to be
____________________. Fill in the blank(s) with the appropriate word(s).