Download RNA - Ms Kim`s Biology Class

Ms. Kim /H. Biology Name _________________________________Date: ___________ Pd: ____
DNA/RNA Review Worksheet
1. Label the DNA strands shown below.
a.
b.
c.
d.
Label the 5’ and 3’ ends of EACH DNA polymer.
Label a phosphate group (PO43-)
Circle and label BOTH purines.
Label the bases that are not already filled in.
e. Label one of the sugar molecules
f. Label a hydrogen bond.
g Circle and label BOTH pyrimidines
h. Label a phosphodiester bond
2. Matching: DNA History and Scientists
_____ 1. Studied pneumonia in mice
_____ 2. Pairs up with adenine to make up rungs of the DNA ladder
_____ 3. The shape of a DNA molecule
_____ 4. A purine base like adenine
_____ 5. A pyrimidine base like thymine
_____ 6. Pairs up with cytosine to make up the rungs of the DNA ladder
_____ 7. One component of the sides of the DNA ladder
_____ 8. Holds the bases together to make the rungs of the DNA ladder
_____ 9. made x-ray defraction pictures that helped determine the shape of DNA
_____ 10. Determined the double helix structure of DNA
_____ 11. won a Noble Prize for work using x-ray crystallography to help determine
DNA’s structure
_____ 12. used r and s strains of bacteria to determine that DNA is an inherited
molecule
a. adenine
b. guanine
c. Watson & Crick
d. thymine
e. Rosalind Franklin
f. Maurice Wilkins
i. double helix
k. Hershey & Chase
m. hydrogen bonding
n. cytosine
o. Griffith
p. deoxyribose
3. A nucleotide is made of three parts: a ___________________ group, a five carbon __________________,
and a nitrogen containing _____________________
4. In a single strand of DNA, the phosphate group binds to the __________________ of the next group.
5. Purines have _________ rings, and pyrimidines have ____________ ring.
Purines include ___________________ base and ________________________ base.
Pyrimidines include ___________________ base and ________________________ base.
6. In DNA, thymine is complementary to ________________ ; cytosine is complementary to _____________
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7. In a strand of DNA, the percentage of thymine is 30 %. What is the percentage of cytosine in the same DNA
strand?
8. Why is DNA replication called "semi-conservative"? __________________________________________
9. The two sides of the DNA helix are held together by ________________________
10. What are the DNA base pairing rules? What are the RNA base pairing rules?
DNA ______________________ RNA _________________________
11. What is the unique shape of DNA called?
12. Compare DNA with RNA by answering in the appropriate box.
Characteristics
DNA
Double or single stranded?
RNA
Location
Bases
Shapes
Sugar in nucleotide
13. What is transcription?
14. What are the BASIC differences between prokaryotic and eukaryotic cells?
15. What is RNA splicing?
16. Below is an mRNA strand. Use this strand
and the codon chart provided to make an amino
acid chain based on code contained in the
mRNA strand.
mRNA:
UCGCACGGU
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