Your community has a wonderful lake as a recreational resource. The water is relatively clear, nuisance algae are minimal, and the fishing is great. Swimming is one of the many popular activities in this clean water. Devise a community plan that will protect the water quality of your lake and protect against an algal bloom (a thick growth of algae)
What will be an ideal response?
The best answers should include a discussion of phosphorous and nitrogen in the eutrophication process and ways that a community can limit nutrient input into the lake. Here are some possible
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Which of the following best describes how ATP synthase converts the potential energy of the proton gradient to the chemical energy of ATP?
A. Kinetic energy from the flow of protons is converted to the kinetic energy of rotation of the F0 subunit; this is transferred to the F1 subunit and used to catalyze ATP synthesis. B. The flow of protons through the F0 subunit reduces the F1 subunit, which allows ADP to be oxidized to ATP. C. The flow of protons through the F0 subunit oxidizes the F1 subunit, which allows ADP to be reduced to ATP. D. Kinetic energy from the flow of protons is stored in a new electrochemical gradient within the F0 subunit. The potential energy of the electrochemical gradient, in turn, is converted to kinetic energy in the F1 subunit and used to catalyze ATP synthesis. E. None of these answer options accurately describes how ATP synthase converts the potential energy of the proton gradient to the chemical energy of ATP.
In Figure 40-3, the function of the structure labeled C, particularly in small children, is:
a. to produce blood cells. b. to act as a growth center. c. to provide mechanical strength. d. to serve as an attachment site for tendons. e. to nourish the bone tissue
Lining of the ventral body cavities, lining of the heart and blood vessels, lining glomeruli, inner lining of the cornea, gas exchange surfaces in lungs
A. Pseudostratified columnar B. Simple columnar C. Simple cuboidal D. Simple squamous E. Stratified squamous F. Transitional
All of the following pertain to coccidioidomycosis, except
A) Fungomas occur in the lungs of those infected. B) It is transmitted by inhalation of arthrospores C) It is also called valley fever D) It often has symptoms of fever, chest pain, cough, headache, malaise E) The pathogen grows best in soil with bird and bat guano