A DNA probe binds to a particular target DNA based upon which principle?
Degeneracy: any segment of DNA can bind to several different probes
Complementarity: the DNA probe binds to a sequence complementary to it.
Exclusion: the DNA probe binds everywhere except to the area that is identical to it.
Semi-conservation: the DNA probe is incorporated into the new cell after duplication, therefore the original probe always remains.
None of the above.
Complementarity: the DNA probe binds to a sequence complementary to it.
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Indicate whether the statement is true or false
Answer the following questions true (T) or false (F)
1. Normally, complement-activating immune complexes are eliminated from the body by phagocytosis. 2. Individuals with AB blood type are called "universal donors" because they do not have antibodies against blood group antigens. 3. MHC genes are significant genetic factors in predisposition to develop autoimmune disease.
In what groups of vertebrates can you find internal fertilization? (Select all correct choices.)
A. mammals B. reptiles C. birds D. fish E. frogs
An approach in which scientists make observations about the natural world, develop tentative
explanations about what they observe, and then test those explanations by collecting more information is referred to as ____.
a. science b. education c. the scientific method d. the method e. the biological method