Refer to the figure above and then answer the questions that follow.
-Which of the following is a very important step in PCR? Refer to the figure above for help.
A) DNA polymerase makes complementary strands of DNA.
B) Primers separate the double strands of DNA.
C) A single replication cycle is performed to amplify DNA.
D) DNA strands are bonded together by heat.

Question

Refer to the figure above and then answer the questions that follow.
-Which of the following is a very important step in PCR? Refer to the figure above for help.
A) DNA polymerase makes complementary strands of DNA. 
B) Primers separate the double strands of DNA. 
C) A single replication cycle is performed to amplify DNA. 
D) DNA strands are bonded together by heat.

Quizplus · Accepted Answer

DNA polymerase synthesizes new strands of DNA by adding nucleotides to the primers, which is a crucial step in the polymerase chain reaction (PCR) process for amplifying DNA.

Refer to the Figure Above and Then Answer the Questions