Genetically modified (GM) salmon have now been approved for sale in the United States. What environmental concern has been expressed about these salmon? What is being considered to reduce this risk?
What will be an ideal response?
There is concern that the GM salmon may escape and outcompete the wild species. Scientists are planning to breed the fish separately and sterilize them prior to putting them in pens on the coast.
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The first group of researchers to correctly identify the double-helix structure of DNA were _______
A. McClintock and Franklin B. Hershey and Chase C. Pauling and Avery D. Watson and Crick
Which statement is true?
a. Blood flows from areas of high hydrostatic pressure in the arterioles to low hydrostatic pressure in the arteries. b. Blood flows from areas of low hydrostatic pressure in the arterioles to high hydrostatic pressure in the arteries. c. Blood flows from areas of high hydrostatic pressure in the arteries to low hydrostatic pressure in the arterioles. d. Blood flows from areas of low hydrostatic pressure in the arteries to high hydrostatic pressure in the arterioles.
A mountain rain shadow is the ____
a. arid area on the windward slope b. wet area on the windward slope c. arid area on the leeward slope d. wet area on the leeward slope e. arid area on either slope
Which substance is defective in Marfan syndrome?
a. sphingolipids b. albumin c. fibrillin d. amyloid e. LDLs