A new security technique is the use of
a. fingerprinting.
b. iris scanning.
c. retinal scanning.
d. tooth identification.
e. skin pigment scanning.
B
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As the first steps in creating recombinant DNA molecules were taking place, scientists immediately realized that modifying the genetic information in ____________________, a bacterium from the human gut, could be potentially dangerous
Fill in the blank(s) with correct word
Koch's postulates are easily satisfied for viral diseases.
Answer the following statement true (T) or false (F)
Which of the following statements about insect control by microorganisms is true?
a. The insects develop resistance to the microorganisms. b. The microorganisms are permanent in the environment. c. The microorganisms are specific for the insect pest. d. The microorganisms may cause disease in other animals. e. This technique is just as dangerous as the use of chemical pesticides
The central nervous system is protected by
A. muscle. B. bone. C. fibrous cartilage. D. hyaline cartilage. E. elastic cartilage.