A nucleic acid probe is a(n)
A) virus that transfers DNA to a recipient cell.
B) piece of radioactively labeled DNA that is used to locate a specific gene.
C) enzyme that locates a specific restriction site on RNA.
D) plasmid that recognizes a specific DNA sequence.
Answer: B
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The differentiation of distinct cell types is a biological innovation that accompanied the evolution of complex multicellularity
A. true B. false
The incorporation of DNA into the information transfer system was advantageous because DNA is a(n) catalytic
molecule. ______________ Indicate whether the statement is true or false.
The resistance to reinfection with measles virus following recovery from measles infection is called __________.
A) artificial immunity B) natural selection C) passive immunity D) innate immunity E) active immunity
Only mutations in __________ cells matter in terms of evolution because they can be inherited by the offspring.
Fill in the blank(s) with the appropriate word(s).