The principle underlying how salmon were genetically engineered to grow faster is the
A) removal of a gene responsible for feeling full after eating.
B) replacement of inducible to constitutive hormone production.
C) resistance to bacterial infections which waste metabolic energy in the salmon to fight off.
D) addition of genes to enhance blood circulation and tissue development.
Answer: B
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The role of the agar ingredient in culture medium is to:
a. provide a nutritional base for bacterial metabolism. b. solidify the medium and provide a stable culture surface. c. sterilize the medium and prevent conta-mination. d. support the growth of only pathogenic or-ganisms.
What is/are the function(s) of a coactivator?
a. form a bridge between the enhancer and the promoter proximal region b. cause the DNA to form a loop c. bind to RNA polymerase d. increase the rate of transcription e. all of these
If you completely girdle a deciduous tree’s trunk in mid-summer, why could the tree potentially retain
leaves throughout some or all of the rest of the growing season, but eventually die?
What will be an ideal response?A triglyceride molecule is made up of
a. one glycerol and two fatty acids. b. two fatty acids and two glycerols. c. one fatty acid and three glycerols. d. one glycerol and three fatty acids. e. any of these