PLTW Biomedical Sciences - Final Exam.pdf file:///C:/Users/HP/Desktop/NIW/PLTW%20Biomedical%20Scienc
PLTW Biomedical Sciences - Final Exam
1. What is the relationship between DNA and genes?
ANS A gene is a section of aDNA molecule that contains the information to code for the
specific protein.
2. What are the structural components of DNA?
ANS Nucleotides
3. What are the structural components of a nucleotide?
ANS Deoxyribose sugar,Nitrogenous base, Phosphate group
4. What is the "A" base? What does it pair with?
ANS Adenine; Thymine
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,PLTW Biomedical Sciences - Final Exam.pdf file:///C:/Users/HP/Desktop/NIW/PLTW%20Biomedical%20Scienc
5. What is the "T" base? What does it pair with?
ANS Thymine; Adenine
6. What is the "C" base? What does it pair with?
ANS Cytosine; Guanine
7. What is the "G" base? What does it pair with?
ANS Guanine; Cytosine
8. Which bases are pyrimidines?
ANS Cytosine and Thymine
9. Which bases are purines?
ANS Adenine and Guanine
10. What is the shape of DNA described as?
ANS Double helix
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