This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of nucleic acids, Subject name: Biochemistry
An enzyme that makes a double-stranded DNA copy from a single-stranded RNA template molecule is known as 
Select and explain. 
A. DNA polymerase, B. RNA polymerase, C. Reverse transcriptase, D. Phosphokinase
C: Reverse transcriptase
Answer: C: Reverse transcriptase 
Explanation: Allows synthesis of cDNA from mRNA followed by PCR amplificationReverse transcriptase PCR: method used to amplify, isolate or identify a known sequence from a cell or tissue RNA libraryRef: DM Vasudevan, 7th edition, page no: 639