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Exam 2 Study Guide

Exam 2 Study Guide - Midterm#2 Study Guide 1 Genes consist...

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Midterm #2 Study Guide 1. Genes consist of nucleic acids called DNA 2. DNA stands for Deoxyribonucleic acid 3. Where is DNA found? nucleus 4. Monomer or building blocks of DNA is nucleotide 5. What makes up a DNA nucleotide Sugar, phosphate, base 6. 4 nitrogenous bases found in DNA. Adenine guanine cytosine thyimine 7. Which base bonds with which base A-T C-G 8. Shape of DNA molecule double helix 9. Who use X-rays to determine DNA shape Wilkins & Franklin 10. Who is responsible for base pairing rule Chargaff 11. Who ultimately is credited with determine structure DNA Watson & Crick 12. Why does DNA replicate or make a copy of itself? For cell division 13. Replication of DNA produces 2 new DNA molecules. Each new molecules has 1 old strand of DNA and 1 new strand. This type of replication is called semiconservative replication 14. DNA replication that doesn’t use Okazaki fragments is called continuous, use called discontinuous 15. What is central dogma of molecular biology? DNA—RNA—Protein synthesis 16. RNA stands for Ribonucleic acid 17. Monomer of building blocks of RNA RNA nucleotides 18. How does RNA differ from DNA? Sugar & base RNA has Uracil, Don’t have Thymine 19. How does RNA & DNA differ in function DNA instructions for protein synthesis RNA carries instructions to ribosomes 20. 3 kinds of RNA: Ribosomal, Messenger, Transfer 21. 2 processes involved in making proteins are Transcription & Translation 22. Mutations: Base substitution
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