Biology Honors I! ! Name ___________________ Period ___ Worksheet 13.1: RNA (pages 362-365; iBooks pages 614-620) 1. Genes contain coded ________ instructions that tell cells how to build _________________. 2. List the 3 differences between DNA and RNA. ! ______________________________________________________ ! ______________________________________________________ ! ______________________________________________________ 3. When it comes to protein synthesis, the DNA acts as the __________________ and RNA acts as the ____________________. (see figure 13-1) 4. Complete the table on the types of RNA. Type of RNA Function mRNA rRNA tRNA 5. Draw and label a picture, using colors, of each of the three types of RNA. ! mRNA ! tRNA ! rRNA 1 Biology Honors I! ! Name ___________________ Period ___ 6. What is the name of the chemical process that makes RNA? ! ____________________________ 7. Complete the table on describing where transcription occurs in prokaryotes and eukaryotes. Type of Cell Location where Transcription occurs Prokaryotes Eukaryotes 8. List the base pairing rules for RNA. ! _________________________! ! _________________________ 9. Label the diagram regarding transcription. Word bank: DNA, RNA, G, C, U, A RNA polymerase Key DNA RNA A = Adenine C = Cytosine G = Guanine T = Thymine A = Adenine C = Cytosine G = Guanine U = Uracil 2 Biology Honors I! ! Name ___________________ Period ___ 10. Complete the table regarding base pairing. Template Complementary DNA Messenger RNA (mRNA) TTACGG AATGCC AAUGCC GGCGGC ACGUAG AGACTC GATAAG CUGGCUACA 11. What does the cell copy during DNA replication? ________________________ 12. How many strands of DNA are used are used to make complementary strands of RNA? ________________________ 13. _____________________ are signals on the DNA that show RNA polymerase exactly where to begin making RNA. 14. The ______________________ sequence is the place on the DNA that tells RNA polymerase to stop making RNA. 15. Explain the difference between introns and exons. ! ____________________________________________________________ ! ____________________________________________________________ 16. What’s the difference between pre-mRNA and mature mRNA? ! ____________________________________________________________ ! ____________________________________________________________ 3 Biology Honors I! ! Name ___________________ Period ___ 17. Do a Google search or consult your notes to fill in the table about mRNA. RNA Component What is it made of? Cap Tail 18. List the steps of RNA editing. A. ___________________________________________________________ B. ___________________________________________________________ ! C. ___________________________________________________________ 19. Fill in the table regarding DNA. DNA Strand Function during transcription Sense Strand Antisense Strand 4
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