Download DNA vs. RNA Worksheet

Name
Biology – Period: __________
Date: _______________
DNA vs. RNA Worksheet
1. Name the 3 parts of a DNA nucleotide.
2. Sketch and label a DNA nucleotide.
3. Name the 4 nitrogen bases on DNA.
4. What is the difference between a purine & a pyrimidine?
5. Name 2 purines.
6. Name 2 pyrimidines.
7. What is the mRNA strand that would be copied from this DNA strand?
G G C
T A T A T C C T G C G C T A T A C G C T A
8. The m in mRNA stands for
9. What is the function of mRNA?
10. What are three differences between RNA and DNA?
11. What are the three types of RNA? (use both the abbreviations and names)
.
12. What is the function of tRNA?
13. What does a rRNA do?
14. Name the two places in the cell where you can find RNA.
15. Name the place in the cell where you can find DNA.
16. Draw an mRNA strand that would complement the DNA strand CCAAT.
17. What enzymes help separate the 2 strands of nucleotides on DNA? What bonds do they break?
18. What is the function of DNA polymerases?
19. If the sequence of nucleotides on the original DNA strand was A – G – G – C – T – A, what would be
the nucleotide sequence on the complementary strand of DNA?
20. Sketch & label DNA replication. Make up your own DNA sequence.