biology 1-5-16 1 st entry task for chapter 12 learning objective: how dna was discovered structural...
DESCRIPTION
THINKING QUESTIONS HOW DO YOU THINK SCIENTISTS WERE ABLE TO DETERMINE THAT DNA WAS THE INHERITANCE MOLECULE THAT WAS PASSED FROM PARENTS TO OFFSPRING? (12.1)TRANSCRIPT
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BIOLOGY 1-5-161ST ENTRY TASK FOR CHAPTER 12LEARNING OBJECTIVE: HOW DNA WAS DISCOVEREDSTRUCTURAL COMPONENTS OF DNAENTRY TASK: WHAT TYPE OF BIOLOGICAL MOLECULE IS DNA?WHERE IN THE CELL DNA IS FOUND?
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TODAY’S PLAN
• DNA STRUCTURE NOTES• DNA STRUCTURE AND REPLICATION VIDEO (CRASH
COURSE)• HTTPS://WWW.YOUTUBE.COM/WATCH?V=8KK2ZWJRV0M
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THINKING QUESTIONS
• HOW DO YOU THINK SCIENTISTS WERE ABLE TO DETERMINE THAT DNA WAS THE INHERITANCE MOLECULE THAT WAS PASSED FROM PARENTS TO OFFSPRING? (12.1)
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HOMEWORK DUE TOMORROW
• READ SECTION 12.2 (PAGES 344-348), AND COMPLETE QUESTIONS FOR SECTION 12.2 IN WORKBOOK HANDED TODAY.
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THE BASIC UNIT OF THE DNA MOLECULE IS CALLED:
NUCLEOTIDE
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A NUCLEOTIDE IN DNA HAS THREE PARTS: A RING-SHAPED SUGAR CALLED DEOXYRIBOSE A PHOSPHATE GROUP A NITROGENOUS BASE (SINGLE OR DOUBLE RING OF
CARBON AND NITROGEN ATOMS)
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Nucleotide monomers join together by covalent bonds between the sugar of one nucleotide and the phosphate of the next, forming a sugar-phosphate backbone.
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NITROGENOUS BASES
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THE BASES PAIR UP (A-T & G-C) FORMING THE DOUBLE HELIX FIRST DESCRIBED BY WATSON AND CRICK
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EXIT TICKET
• WHAT ARE THE THREE MAIN PARTS OF A NUCLEOTIDE?• DO A DRAWING OF THE MOLECULE
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BIOLOGY 1-6-162ND ENTRY TASK FOR CHAPTER 12LEARNING OBJECTIVE: STRUCTURAL COMPONENTS OF DNAWHY DNA NEEDS TO BE COPIED (REPLICATED)ENTRY TASK: WHAT IS THE SEQUENCE OF NITROGEN BASES THAT WOULD MATCH THIS: ATGACCTT WHAT DO THE LETTERS T, A, G, AND C STAND FOR?
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TODAY’S PLAN
• DNA POGIL
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WATSON AND CRICK FRANKLIN
Figured out the shape of the DNAmolecule
Used X-rays to take picturesOf DNA molecule
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VARIOUS WAYS TO MODEL DNA STRUCTURE
•http://www.umass.edu/molvis/tutorials/dna/dnapairs.htm manipulate DNA
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WHY DOES DNA NEED TO BE REPLICATED?
• TO REPLACE OLD CELLS• FOR GROWTH• REPRODUCTION (BACTERIA AND UNICELLULAR
ORGANISMS)
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REPLICATION IN 3 STEPS DNA REPLICATION
RESULTS IN TWO NEW DNA MOLECULES, EACH CONTAINING ONE NEW STRAND (RED) AND ONE ORIGINAL STRAND (BLUE)
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BIOLOGY 1-7-163RD ENTRY TASK FOR CHAPTER 12LEARNING OBJECTIVE: HOW DNA REPLICATES ENTRY TASK: WHAT DO YOU THINK IS THE FIRST THING THAT NEEDS TO HAPPEN TO THE DNA MOLECULE IN ORDER FOR IT TO BE COPIED?
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TODAY’S PLAN
• DNA REPLICATION NOTES• DNA PAPER MODEL• DNA POGIL – FINISH REPLICATION SECTION
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WATSON AND CRICK FRANKLIN
Figured out the shape of the DNAmolecule
Used X-rays to take picturesOf DNA molecule
![Page 20: BIOLOGY 1-5-16 1 ST ENTRY TASK FOR CHAPTER 12 LEARNING OBJECTIVE: HOW DNA WAS DISCOVERED STRUCTURAL COMPONENTS OF DNA ENTRY TASK: WHAT TYPE OF BIOLOGICAL](https://reader036.vdocuments.site/reader036/viewer/2022062503/5a4d1ae67f8b9ab0599793ad/html5/thumbnails/20.jpg)
VARIOUS WAYS TO MODEL DNA STRUCTURE
•http://www.umass.edu/molvis/tutorials/dna/dnapairs.htm manipulate DNA
![Page 21: BIOLOGY 1-5-16 1 ST ENTRY TASK FOR CHAPTER 12 LEARNING OBJECTIVE: HOW DNA WAS DISCOVERED STRUCTURAL COMPONENTS OF DNA ENTRY TASK: WHAT TYPE OF BIOLOGICAL](https://reader036.vdocuments.site/reader036/viewer/2022062503/5a4d1ae67f8b9ab0599793ad/html5/thumbnails/21.jpg)
WHY DOES DNA NEED TO BE REPLICATED?
• TO REPLACE OLD CELLS• FOR GROWTH• REPRODUCTION (BACTERIA AND UNICELLULAR
ORGANISMS)
![Page 22: BIOLOGY 1-5-16 1 ST ENTRY TASK FOR CHAPTER 12 LEARNING OBJECTIVE: HOW DNA WAS DISCOVERED STRUCTURAL COMPONENTS OF DNA ENTRY TASK: WHAT TYPE OF BIOLOGICAL](https://reader036.vdocuments.site/reader036/viewer/2022062503/5a4d1ae67f8b9ab0599793ad/html5/thumbnails/22.jpg)
REPLICATION IN 3 STEPS DNA REPLICATION
RESULTS IN TWO NEW DNA MOLECULES, EACH CONTAINING ONE NEW STRAND (RED) AND ONE ORIGINAL STRAND (BLUE)
![Page 23: BIOLOGY 1-5-16 1 ST ENTRY TASK FOR CHAPTER 12 LEARNING OBJECTIVE: HOW DNA WAS DISCOVERED STRUCTURAL COMPONENTS OF DNA ENTRY TASK: WHAT TYPE OF BIOLOGICAL](https://reader036.vdocuments.site/reader036/viewer/2022062503/5a4d1ae67f8b9ab0599793ad/html5/thumbnails/23.jpg)
BIG PICTURE OF DNA REPLICATION
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REPLICATION REVIEW
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DNA REPLICATION ANIMATIONS HTTP://WWW.YOUTUBE.COM/WATCH?V=4JTMOZAIVS0 HTTP://WWW.YOUTUBE.COM/WATCH?V=GW3QZF9CLIA HTTP://WWW.YOUTUBE.COM/WATCH?V=ONW_YKH3AVA HTTP://WWW.YOUTUBE.COM/WATCH?V=HC_8Y8FNKCW HTTPS://WWW.YOUTUBE.COM/WATCH?V=8KK2ZWJRV0M
CRASH COURSE
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BIOLOGY 1-8-164TH ENTRY TASK FOR CHAPTER 12LEARNING OBJECTIVE: HOW DNA REPLICATESENTRY TASK: WHAT ARE THE TWO MAIN ENZYMES INVOLVED IN DNA REPLICATION? WHAT DO EACH OF THEM DO?GET A LAPTOP, WRITE CART AND LAPTOP NUMBER BY YOUR NAME ON SIGNUP CLIPBOARD) AND GET LAPTOP STARTED
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TODAY’S PLAN
• DNA REPLICATION COMPUTER SIMULATION AND QUESTIONS
• HTTP://WWW.WILEY.COM/LEGACY/COLLEGE/BOYER/0470003790/ANIMATIONS/REPLICATION/REPLICATION.HTM
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TED TALK – DNA REPLICATION – CHROMOSOMES- MALARIA• HTTP://WWW.YOUTUBE.COM/WATCH?V=DMPXU6GF18M• TIMING OF REPLICATION ARTICLE:• HTTP://
HMS.HARVARD.EDU/NEWS/MARCHING-OUR-OWN-SEQUENCES