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Author Question: Cell death genes act by a. stimulating sonic hedgehog. b. activating caspases. c. producing nerve ... (Read 27 times)

humphriesbr@me.com

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on: Jun 21, 2018
Cell death genes act by
 
  a. stimulating sonic hedgehog.
 b. activating caspases.
 c. producing nerve growth factor.
  d. inhibiting caspases.

Question 2

Isaac observed a sample of motor units in which single neurons innervated fibers of the same type. This led Isaac to conclude that
 
  a. neural input probably determines the identity of muscle fibers as slow or fast-twitch.
 b. the organism that supplied the samples had probably suffered a spinal cord injury.
 c. the organism that supplied the samples was very old.
 d. his sample was not representative, and he needed to obtain more samples before reaching a conclusion.


Expo

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Reply #1 on: Jun 21, 2018
Answer to Question 1

b

Answer to Question 2

a


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