PLTW Biomedical Sciences - Final Exam
Questions and Answers
1. What is the relationship between DNA and genes?
Answer A gene is a section of a DNA molecule that contains the information to code for
the specific protein.
2. What are the structural components of DNA?
Answer Nucleotides
3. What are the structural components of a nucleotide?
Answer Deoxyribose sugar, Nitrogenous base, Phosphate group
4. What is the "A" base? What does it pair with?
Answer Adenine; Thymine
5. What is the "T" base? What does it pair with?
Answer Thymine; Adenine
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, 6. What is the "C" base? What does it pair with?
Answer Cytosine; Guanine
7. What is the "G" base? What does it pair with?
Answer Guanine; Cytosine
8. Which bases are pyrimidines?
Answer Cytosine and Thymine
9. Which bases are purines?
Answer Adenine and Guanine
10. What is the shape of DNA described as?
Answer Double helix
11. What is a restriction enzyme?
Answer An enzyme used to cut DNA after its recognition of specific nucleotide
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Questions and Answers
1. What is the relationship between DNA and genes?
Answer A gene is a section of a DNA molecule that contains the information to code for
the specific protein.
2. What are the structural components of DNA?
Answer Nucleotides
3. What are the structural components of a nucleotide?
Answer Deoxyribose sugar, Nitrogenous base, Phosphate group
4. What is the "A" base? What does it pair with?
Answer Adenine; Thymine
5. What is the "T" base? What does it pair with?
Answer Thymine; Adenine
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7
, 6. What is the "C" base? What does it pair with?
Answer Cytosine; Guanine
7. What is the "G" base? What does it pair with?
Answer Guanine; Cytosine
8. Which bases are pyrimidines?
Answer Cytosine and Thymine
9. Which bases are purines?
Answer Adenine and Guanine
10. What is the shape of DNA described as?
Answer Double helix
11. What is a restriction enzyme?
Answer An enzyme used to cut DNA after its recognition of specific nucleotide
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