Which of the following drugs is/are produced by genetic engineering and approved for human use?
A. insulin
B. Human growth hormone
C. tissue plasminogen activator
D. Factor VIII
E. All of these choices are correct.
Answer: E
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Which group is made up of almost exclusively decomposers?
a. plants b. fungi c. animals d. bacteria e. protists
Which of the following covers compact bone and functions in bone repair and growth?
A) endosteum B) periosteum C) diaphysis D) epiphysis
Upon closer examination, the fish appeared to have died from a lack of oxygen. What time of day did the fish most likely die?
A) Late at night B) Just before dawn C) In the middle of the afternoon D) At sundown
Suppose that during the embryonic development of a hand, homeotic gene expression is altered such that the dorsal-ventral axis is switched. What is the most likely outcome of this scenario?
A) The palm and back of the hand will be switched. B) The pinky and thumb would be switched. C) The shoulder and hand would be switched. D) The foot and hand would be switched.