Unit 7 Review Sheet (Optional) Key Concepts: - DNA structure & function - RNA structure & function - the importance of proteins - transcription - translation mutations types & causes vocab, vocab, vocab! Vocabulary: Refer to your Unit 7 Vocabulary Sheet for a list of terms that you should know. Readings Covered: Pages 344-353 and 362-376. This is parts of chapters 12 and 13 in your textbook. What You Can Use During Your Test: - #2 pencils - your completed unit 6 vocabulary sheet - one piece of white computer paper with hand-written notes, front and back 2. The diagram below shows new DNA being made in the process of a. DNA replication b. Transcription c. Translation d. Transformation 3. The enzyme(s) involved in DNA replication are a. RNA polymerase b. DNA polymerase c. Ligase d. B. and C. 4. The process shown below in which the genetic code of DNA is copied into a strand of RNA is called a. DNA replication b. Transcription c. Translation d. Transformation 5. In mRNA, each codon specifies a particular a. Nucleotide b. Enzyme c. Amino acid d. Saccharide Multiple Choice Answers: 1. B; 2. A; 3. D; 4. B; 5. C. Practice Questions: 1. A nucleotide does NOT contain a. A 5-carbon sugar b. An amino acid c. A nitrogen base d. A phosphate group 6. Which of the following describes RNA? a. RNA is usually double-stranded and contains the base thymine b. RNA is usually single-stranded and contains the base uracil c. RNA is longer than DNA and uses five bases to encode information d. RNA is made in the nucleus of cells and never leaves 7. There are _____ different amino acids a. 3 b. 20 c. 64 d. none of the above 8. Which of the following statements about the genetic code is true? a. A codon can specify more than one amino acid b. Every codon specifies a different amino acid c. Some codons specify the same amino acid d. Some codons have no function at all 9. The building block of DNA and RNA is the _____________ while the building block of proteins is ___________________. 10. The process of making proteins on a ribosome based on instructions from mRNA as shown below is called a. DNA replication b. Transcription c. Translation d. Transformation 11. A single gene mutation in a region of DNA could transcribe the DNA sequence CAGTAT into a. GTCATA b. GUCAUA c. GTCUTU d. GUAAUA 12. Label the chromosome mutations.