C. gel electrophoresis A small amount of DNA is collected from a crime scene. However, the amount of DNA collected is insufficient to perform the necessary experiments to link a suspect to the crime. What method could be utilized to increase the amount of DNA?
A. Southern blotting
B. gel electrophoresis
C. polymerase chain reaction (PCR)
D. colony hybridization
E. DNA sequencing
C. polymerase chain reaction (PCR)
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Spiders use which mouthparts for subduing prey?
a. mandibles b. pedipalps c. chelicerae d. maxillae e. labial palps
Active transport differs from passive transport in that active transport does not require an input of energy.
a. true b. false
You mix sugar in water and stir until it's completely dissolved. In this system, the water is the ________, the sugar is the ________, and the end result is a ________
A) solute; solvent; solution B) solvent; solution; solute C) solute; solution; solvent D) solution; solvent; solute E) solvent; solute; solution
Some bacteria have been found to have much higher rates of mutation than other members of their population; they are termed "mutators." What do you think is the most likely reason for their higher rates of mutation?
A. They are incapable of bacterial transformation. B. Their DNA polymerase has compromised 5' to 3' polymerase function. C. All choices are equally likely to lead to higher rates of mutation. D. They have much smaller genomes than regular bacteria. E. Their DNA polymerase has compromised 3' to 5' exonuclease function.