The text says that bovine somatotropin can be given to cows to boost milk production. Suppose that it would be possible to alter the genes of cows so that the animals always made excess somatotropin
What concerns do you think people might have about this procedure?
Some possible answers include the following: (1 ) The procedure might be too expensive for small dairy farmers, and the competition could drive them out of business. (2 ) There is uncertainty about the possible effect on people who drink the milk from such a cow. (3 ) There may be concerns that the genes might be accidentally transferred to animals in the surrounding areas, affecting them without our knowledge.
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An organism that obtains its energy from sunlight is a (an)
a. autotroph. b. auxotroph. c. heterotroph. d. chemotroph. e. phototroph.
Ectodermal cells that form at the tip of the neural tube move outward to positions throughout the body. The descendants of these cells include the neurons of the peripheral nervous system. This movement of cells is an example of ____
a. differentiation b. cleavage c. embryonic induction d. apoptosis e. cell migration
An elevator got stuck between floors and kept its occupants trapped for hours. Which of the occupants was likely to experience the MOST frustration?
A. The child who was late for school B. The husband who was late for breakfast with his mother-in-law C. The woman who was late for her job interview D. The man who was late for root canal work at his dentist's office
Archaea that are halophiles live in
A. extremely hot environments. B. extremely cold environments. C. extremely salty environments. D. extremely acid environments.