Match the following examples of mutagens. <IMAGE>
Outline the treatment process for drinking water.
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Verified Solution
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Key Concepts
Water Treatment Processes
Coagulation and Flocculation
Disinfection Methods
The following is a code for a strand of DNA.<IMAGE>
a. Using the genetic code provided in Figure 8.8, fill in the blanks to complete the segment of DNA shown.
b. Fill in the blanks to complete the sequence of amino acids coded for by this strand of DNA.
c. Write the code for the complementary strand of DNA completed in part (a).
d. What would be the effect if C were substituted for T at base 10?
e. What would be the effect if A were substituted for G at base 11?
f. What would be the effect if G were substituted for T at base 14?
g. What would be the effect if C were inserted between bases 9 and 10?
h. How would UV radiation affect this strand of DNA?
i. Identify a nonsense sequence in this strand of DNA.
Which sequence is the best target for damage by UV radiation: AGGCAA, CTTTGA, or GUAAAU? Why aren’t all bacteria killed when they are exposed to sunlight?
The following processes are used in wastewater treatment. Match the stage of treatment with the processes. Each choice can be used once, more than once, or not at all.
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All of the following are effects of water pollution except
a. the spread of infectious diseases.
b. increased eutrophication.
c. increased BOD.
d. increased growth of algae.
e. none of the above; all of these are effects of water pollution.