Fuels such as gasoline are nonpolar and have high potential energy because they are largely composed of
A. sulfates.
B. hydrocarbons.
C. carboxylic acids.
D. amines.
E. alcohols.
B. hydrocarbons.
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The synthesis of ATP in the chloroplast by ATP synthase depends on different concentrations of hydrogen ions in the lumen of the thylakoid and in the stroma
Compare these two compartments of the chloroplast in terms of both actual hydrogen ion concentration and pH scale values. What will be an ideal response?
Which list describes the correct sequence of events involved in cell signaling?
a. signal transduction, reception, signal transmission, response b. response, signal transduction, signal transmission, reception c. signal transmission, signal transduction, reception, response d. reception, signal transmission, response, signal transduction e. signal transmission, reception, signal transduction, response
Which disease was probably the first documented connection between a microscopic organism and a disease in humans?
a) Scabies b) Pediculosis c) Candidiasis d) Sporotrichosis
Industrial melanism involving the peppered moths (Biston sp.) is cited as an example of natural selection that has been observed in the last 100 years. Recall that the peppered moth exhibits two distinct morphological types with dark and light colored wings. Which of the following statements about changes in these two types of moths as a result of industrial melanism is true?
A. Birds prey more on the dark forms in polluted forests B. The dark forms are distasteful to birds and are thus safe in polluted forests. C. Dark forms emigrate from nonpolluted forests to polluted forests. D. The light forms are selected against in nonpolluted forests. E. The dark forms are selected against in nonpolluted forests.