Which of these is not a current success of biotechnology?
a. advances in the treatment of diseases, such as juvenile diabetes
b. development of farm machinery that more efficiently harvests crops
c. development of crops that are resistant to pests
d. creation of foods with enhanced nutrition
e. forensic techniques that use DNA for identification
b. development of farm machinery that more efficiently harvests crops
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Stem cells
A. have an almost unlimited capacity to divide. B. can differentiate into different tissues. C. may be used to test the effects of drugs on human cells. D. come from fetal material. E. All of the above
When geographic variation occurs among the members of a species, individuals
a. may be mistaken for separate species. b. cannot mate successfully. c. cannot produce offspring with intermediate characteristics. d. may be absent in most locations. e. may be from different subpopulations
How does pressure beneath salt water compare to pressure beneath fresh water at the same depth
What will be an ideal response?
All the following are DNA viruses except
A) Picornaviridae. B) Hepadnaviridae. C) Papillomaviridae. D) Herpeseviridae. E) Adenoviridae.