Chapter 11 Dna And Genes-Books Pdf

Chapter 11 DNA and Genes
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Chapter 11 Chapter Section, SECTION PREVIEW, Section 11 1. Objectives, Analyze the structure, DNA and Genes 11 1 DNA The Molecule of DNA. Determine how the, GETTING STARTED DEMO, of Heredity structure of DNA. enables it to reproduce, Show students photographs of itself accurately. other fruit fly mutations such as Vocabulary, Key Concepts.
an you imagine all of the The structure and composition of. various eye colors and wing What You ll Learn nitrogen base. information that could be con double helix DNA are presented The process. shapes Ask students to share You will relate the structure DNA replication. of DNA to its function tained in 1000 textbooks of replication of DNA and its. ways that the flies could have, You will explain the role of Remarkably that much information importance to organisms are. received the mutations Explain DNA in protein production and more is carried by the genes of a emphasized. that various environmental You will distinguish among single organism Scientists have found. factors such as radiation and different types of mutations. that the substance DNA contained in, chemicals can cause mutations genes holds this information Because of. Guide the discussion to the Why It s Important Collect photos of Drosophila. An understanding of birth the unique structure of DNA new. concept of the DNA molecule copies of the information can be easily mutations for the Getting. P defects viral diseases cancer, which serves as the blueprint aging genetic engineering reproduced Started Demo. for life and even criminal investiga Purchase two large zippers for. tions depends upon knowing the Quick Demos, about DNA how it holds infor. LS mation and how it plays a role, Collect modeling clay colored.
Theme Development in protein production paperclips and twist ties or. pipe cleaners for the DNA, The first section of this chapter. Model Project, stresses homeostasis or stability GETTING STARTED Gather index cards and rubber. Model of a DNA, DNA contains the blueprints for Fly Mutations molecule bands for the Flip Books Pro. life and replication processes Compare the small photo of a ject. make exact copies of these blue normal fruit fly with the large. photo of a fruit fly that has a Make a set of cards for Re. prints The second section illus, mutation How are the flies dif teach. trates unity within diversity the ferent The parents of the. process and the code by which a mutated fly had normal geno. cell makes proteins are the same types How do you think this fly. in all species The third section ended up this way What is DNA ism s function because they control. the chemical reactions needed for, illustrates how homeostasis can Although the environment influ life Within the structure of DNA is.
To find out Bellringer, be disrupted when mutations more about ences how an organism develops the the information for life the com. occur Change in the DNA can DNA and genes visit the genetic information that is held in plete instructions for manufacturing Before presenting the lesson. be harmful but changes are Glencoe Science Web Site the molecules of DNA ultimately all the proteins for an organism display Section Focus Trans. responsible for the evolution of a www glencoe com sec science determines an organism s traits parency 26 on the overhead pro. species DNA achieves its control by produc The structure of DNA jector and have students answer. ing proteins Living things contain DNA is capable of holding all this the accompanying questions. The appearance of these proteins Your skin contains protein information because it is a very long L1 ELL. two flies depends on the your muscles contain protein and molecule Recall that DNA is a poly. type of genes they con your bones contain protein mixed mer made of repeating subunits. If time does not permit teach tain Chromosomes, with minerals All actions such as called nucleotides Nucleotides have. made of genes which are P, ing the entire chapter use the made of DNA determine eating running and even thinking three parts a simple sugar a phos Transparency 26 DNA Structure SECTION FOCUS. Use with Chapter 11, BioDigest at the end of the, Section 11 1. how an organism looks depend on proteins called enzymes phate group and a nitrogen base. unit as an overview and how it functions Enzymes are critical for an organ The simple sugar in DNA called. 286 DNA AND GENES 11 1 DNA THE MOLECULE OF HEREDITY 287 LS Phosphate. P HO P O CH2 O N CH, Assessment Planner, Assessment Planner HO C.
Multiple Look for the following logos for strategies that emphasize different learning modalities. Portfolio Assessment Knowledge Assessment OH H, Copyright Glencoe McGraw Hill a division of The McGraw Hill Companies Inc. Deoxyribose, Kinesthetic Project pp 288 Intrapersonal Enrichment Portfolio TWE pp 289 300 305 Problem Solving Lab TWE pp 289 297 LS sugar. Learning 300 Reteach p 293 Quick, Demo p 295 Extension p 301. pp 288 296 Biology Journal, p 306 Going Further p 310. BioLab TWE pp 308 309, Performance Assessment, Assessment TWE pp 293 300 301 307.
Section Assessment SE pp 293 301 307, DNA nucleotide. Visual Spatial Quick Demo Linguistic Portfolio pp 289 Assessment TWE pp 291 304 Chapter Assessment SE pp 311 313 1 What are the three components of this DNA nucleotide. p 291 Project p 292 Rein 300 305 Enrichment p 290 Problem Solving Lab TWE p 305 Skill Assessment 2 What is the function of DNA in the cell. forcement p 298 Reteach p 301 Biology Journal pp 291 299 302 MiniLab TWE p 306 Alternative Lab TWE pp 294 295. Meeting Individual Needs p 304 Logical Mathematical Enrich MiniLab SE pp 299 306 MiniLab TWE p 299. BIOLOGY The Dynamics of Life SECTION FOCUS TRANSPARENCIES. Interpersonal Tech Prep ment p 303 Reinforcement BioLab SE pp 308 309. 286 p 303 p 304 Alternative Lab TWE pp 294 295 287. Concept Development, 2 Teach A Purines B Pyrimidines thymine are always present in equal. amounts Likewise the guanine and Problem Solving Lab 11 1 Interpreting the Data Point out to students that the. Adenine A Guanine G Thymine T Cytosine C words elm elk and eel differ from. cytosine base pairs result in equal, Discussion NH2 O O NH2 amounts of these nucleotides in each other by only one letter but. CH3 What does chemical analysis reveal about DNA Much. Ask students whether they know C N C N C C DNA Watson and Crick also pro of the early research on the structure and composition of that the meaning of the words is. N C HN C HN C N CH, why each of them is a unique CH CH. posed that DNA is shaped like a long DNA was done by carrying out chemical analyses The data drastically different This obser. individual Students may suggest HC C C C C CH C CH zipper that is twisted When some from these experiments provide evidence of a relationship vation can introduce the impor. NH NH among the nitrogen bases of DNA, that hereditary factors determine N NH2 N O N O NH thing is twisted like a coiled spring tance of base sequences.
their uniqueness Why has there H the shape is called a helix Because. been no other human on Earth DNA is composed of two strands Examine Table 11 1 Compare the amounts of adenine. exactly like any of them Each C Nucleotide twisted together its shape is called a guanine cytosine and thymine found in the DNA of each of. Nitrogen base, double helix This shape is shown in the cells studied Problem Solving Lab 11 1. individual has different DNA and Figure 11 1 O P, Adenine and guanine are Figure 11 2. thus different traits O P O Table 11 1 Percent of each base in DNA samples. double ring bases called Purpose, O Source of sample A G C T. purines A Thymine and Students will analyze a table. cytosine are smaller single Phosphate group, Human liver 30 3 19 5 19 9 30 3. Quick Demo ring bases called pyrim CH2 O O showing the. LS percentages of four, Human thymus 30 9 19 9 19 8 29 4 bases in DNA samples.
idines B Each of the four C, Hold up a large unzipped zip nucleotides that make up H H Herring sperm 27 8 22 2 22 6 27 5. per and relate the zipper teeth DNA contains a phosphate C C. H Yeast 31 7 18 2 17 4 32 6 Process Skills, to the nucleotides and the group the sugar deoxyri compare and contrast observe. bose and one of four dif Sugar, cloth band to the deoxyribose ferent nitrogen bases C deoxyribose. Thinking Critically and infer interpret data, phosphate backbone Explain 1 Compare the amounts of A T G and C in each kind. that in DNA hydrogen bonds of DNA Why do you think the relative amounts are so Background. deoxyribose dee ahk sih RI bos cytosine You can see this in the similar in human liver and thymus cells. between the nucleotides hold gives DNA its name deoxyribonu Problem Solving Lab on the next page In 1950 American biochemist. 2 How do the relative amounts of each base in herring sperm. the two strands together Zip cleic acid The phosphate group is In 1953 James Watson and compare with the relative amounts of each base in yeast Erwin Chargaff rst showed that. the zipper to show how the composed of one atom of phosphorus Francis Crick published a journal 3 What fact can you state about the overall composition of there is a 1 1 ratio between ade. DNA looks when the nucleo surrounded by four oxygen atoms A article that was only one page in DNA regardless of its source nine and thymine and between. tides are hydrogen bonded nitrogen base is a carbon ring struc length yet monumental in impor guanine and cytosine in all DNA. Then twist the ends of the ture that contains one or more atoms tance Watson and Crick proposed. P of nitrogen In DNA there are four that DNA is made of two chains of Teaching Strategies. zipper to show how DNA is, twisted into a helix possible nitrogen bases adenine A nucleotides joined together by the The importance of Guide students to compare the.
guanine G cytosine C and nitrogen bases Just as the teeth of a nucleotide sequences numbers within each sample. thymine T Thus in DNA there zipper hold the two sides of the zip An elm an elk and an eel are all before comparing different sam. LS are four possible nucleotides each per together the nitrogen bases of different organisms composed of dif ples. Enrichment containing one of these four bases as the nucleotides hold the two strands ferent proteins If you compare the W ORD Origin. Intrapersonal Have students shown in Figure 11 1 of DNA together with weak hydro chromosomes of these organisms you helix Thinking Critically. research one of the people Nucleotides join together to form gen bonds The two strands can be will find that they all contain DNA From the Latin. 1 The ratio of A T and of C G, long chains with the phosphate held together in this way because made up of nucleotides with adenine word helix meaning. involved in the discovery of the spiral A double is approximately 1 1 The rel. structure and function of DNA group of one nucleotide bonding to they are complementary to each thymine guanine and cytosine bases. helix has two ative amounts of each base, Fred Grif th O T Avery Alfred the deoxyribose sugar of an adjacent other that is the bases on one strand How can organisms be so different twisted strands that. nucleotide The phosphate groups determine the bases on the other from each other if their genetic. are so similar in human liver, Hershey Linus Pauling Martha form a spiral. and deoxyribose molecules form the strand Specifically adenine on one material is made of the same four and thymus because they. Chase Erwin Chargaff Rosalind come from the same species. backbone of the chain and the nitro strand bonds with a thymine on the nucleotides Their differences result. Franklin or Maurice Wilkins 2 The relative amounts of each. gen bases stick out like teeth on a other strand and guanine on one. Have students prepare short oral zipper In DNA the amount of ade strand bonds with a cytosine on the base are different in herring. reports on what these scientists Figure 11 2, nine is always equal to the amount of other strand These two bonded DNA normally exists in the shape of a and in yeast because they are. contributed L3 thymine and the amount of guanine bases called a complementary base different species. double helix This shape is similar to that, is always equal to the amount of pair explain why adenine and of a twisted zipper 3 The ratio of A T and G C is.
Resource 288 DNA AND GENES 11 1 DNA THE MOLECULE OF HEREDITY 289. 1 1 for all sources, P Assessment, Section Focus Transparency 26 Portfolio. PROJECT Portfolio, and Master L1 ELL Knowledge Have students. Resource Manager summarize their analysis of the, DNA Model clips in a row into one of the clay strands On DNA Connection. data and write a paragraph, LS Kinesthetic Have student groups make the second clay strand they should line up Linguistic Have students read Laboratory Manual pp 75 78 L2. explaining why the ratio of bases, P two strands of modeling clay each the complementary clips in the proper order Happy Birthday Double Helix by.
was important in determining the, about 8 cm long and 1 cm thick Each group A T C G Have them connect the bases Leon Jaroff Time March 15 1993 pp 56. structure of DNA Use the, will need five each of four different colors of with pipe cleaners or twist ties Once the 59 Have them write a summary of how. Performance Task Assessment, paper clips to represent the DNA bases model is bonded together it can be twisted the discovery of DNA s structure has been. Problem Solving Lab 11 1 p 289 Inside Story Copying DNA p 292 Problem Solving Lab 11 2 p 297 MiniLab 11 1 Transcribe and Translate p 299 Investigate BioLab RNA Transcription p 308 Careers in Biology Genetic Counselor p 303 Problem Solving Lab 11 3 p 305 MiniLab 11 2 Gene Mutations and Proteins p 306 BioTechnology Scanning Probe Micro scopes p 310 MATERIALS LIST BioLab p

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