TEST BANK 2026 VERIFIED ANSWERS
GRADED A+
⩥ The purpose of the second PCR is not to create identical copies like
the first PCR you ran. What is the purpose of this PCR? Answer:
Produce many copies of variable length
⩥ Where do scientists obtain primers to be used in PCR and in this
technique? Answer: Each DNA strand binds primer @ one end and
will have a fluorescence- tagged terminator @ one end called PCR
amplification
⩥ What's the final PCR product, the stuff contained in your 12 tubes?
Answer: Nice of DNA pieces of variable length
⩥ What's the purpose of gel electrophoresis? Answer: Method to
separate molecules based in differences in size
⩥ How do DNA molecules move in relation to charge? Why?
Answer: DNA is negative charge and the syringe end has positive
charge therefore the DNA moves to the positive end since opposite
charges attract
⩥ What's the ultimate goal of sequence matching analysis? Answer:
To determine whether the new sequence bears a signification degree
of similarity (or homology) to another known sequence