DNA Assessment Name ______________________________ Biology 375 Matching: Match the following vocabulary words to the definitions on the right. 1. Amino acid A. holds the two sides of the DNA helix together 2. Nucleotide B. building blocks of a protein 3. Hydrogen bond C. subunit of DNA made of a phosphate, sugar, & nitrogen base 4. Mutation D. a permanent change in the DNA sequence-can be inherited or acquired 5. Replication E. process where DNA makes an exact copy of itself 6. Adenine A. Nitrogen base that pairs with adenine 7. Guanine B. Nitrogen base that pairs with guanine 8. Cytosine C. Nitrogen base that pairs with cytosine 9. Thymine D. Nitrogen base that pairs with thymine Multiple Choice: Choose the letter of the best answer. Mark your answer on the line to the left. 10. What do amino acids form? A. lipids B. carbohydrates C. proteins D. nucleic acids 11. What do nucleotides form? A. Lipids B. Carbohydrates C. Protein D. nucleic acid. 12. Where is DNA found in a eukaryotic cell? A. in the ribosome B. in the chloroplast C. in the cell membrane D. in the nucleus 13. What makes up the backbone of DNA? A. ribose B. phosphate groups C. deoxyribose D. both a and b E. both b and c 1 DNA Assessment Name ______________________________ Biology 375 Match the parts of a nucleotide to the picture below. A 14. Deoxyribose 15. Phosphate C B 16. Nitrogen base 17. Using the following strand of DNA: a. Fill in the complementary strand of DNA. DNA Sequence: ATG GCA 1 2 ACT 3 TTA 4 CCA 5 TCT 6 AAT 7 CGC 8 TTA 9 TTC 10 TGA 11 Complementary DNA Sequence: ___ ___ ___ | ___ ___ ___ | ___ ___ ___ | ___ ___ ___ | ___ ___ ___ | ___ ___ ___| 1 2 3 4 5 6 ___ ___ ___ | ___ ___ ___ | ___ ___ ___ | ___ ___ ___ | ___ ___ ___ 7 8 9 10 11 2