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DNA and RNA Worksheet
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DNA and RNA Worksheet        

1.  What is a nucleotide?

2.  What makes up a nucleotide?

3.  In what ways are the chemical structures of DNA and RNA different?

4.  What differentiates one nucleotide from another?

5.  What is the relationship between DNA, nucleotides, genes, and chromosomes?

6.  What is the relationship between DNA and RNA?

7.  What are the three types of RNA?  Explain the purpose of each.

8.  Explain the following

        a. replication

        b. transcription

        c. protein synthesis

9.  What is a codon and what does it represent?

10.  Describe how point mutations and frame shift mutations affect the synthesis of proteins.  Give an example of each.

11.  The following is the sequence of bases on one strand of a DNA molecule.

        AAA TGC CAT CCG TCA

        a.  Write the sequence of bases that make up the complementary strand of DNA.

        b.  Draw this DNA molecule

        c.  What base sequence in mRNA would the first DNA strand code for?

        d.  What sequence of amino acids would this mRNA code for?

12.  How is the DNA the same as the DNA of a jellyfish?  How is it different from the DNA of a jellyfish?  

13.  Explain how point mutations and frameshift mutations would affect the synthesis of proteins to different degrees.

Similarities and Differences between DNA and RNA

                                                                                DNA                RNA

Deoxyribonucleic Acid

Ribonucleic Acid

Ribose Present

Deoxyribose present

Phosphoric Acid present

Adenine present

Thymine present

Uracil present

Guanine present

Cytosine present

Formed from nucleotides

Double stranded

Single stranded

Remains in nucleus

Moves out of nucleus

Contains a chemical message or code