Refer to the paragraph on the effects of estrogens in the environment
You are assigned to write the report to the Environmental Protection Agency, which needs to decide what level of 17?-estradiol to permit in sewage output. You do not want to make the level any lower than necessary, because it requires substantial additional money for the extra treatment of sewage. Given the data presented above, what level of 17?-estradiol would you suggest is safe to prevent feminization of fish?
A) 2.5 ng/l
B) 5 ng/l
C) 12.5 ng/l
D) 25 ng/l
E) 100 ng/l
Answer: D
You might also like to view...
The teeth designated by the letter "B" in the above figure are called ____
a. canines b. premolars c. incisors d. molars e. wisdom teeth
A(n) ________ can be described as a broad tendinous sheet
Fill in the blank(s) with the appropriate word(s).
What trait gives seeds an advantage over spores?
A. Protected from the environment B. Long-lived C. Contain nutrients D. Small in size
How do the techniques of PCR and RT-PCR differ?
What will be an ideal response?