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TEKS 6 A, B, & C

DNAProteinMutations

TAKSObjeti!e " The student will demonstrate an understanding ofliving systems and the environment.

TEKS Siene Cone#ts 6 A, B, & C

The student knows the structures and functions of nucleic acids in the

mechanisms of genetics. The student is expected to

(A) describe components of deoxyribonucleic acid (DNA), andillustrate how information for specifying traits of an organism

is carried in the DNA

(!) explain replication, transcription, and translation using models

of DNA and ribonucleic acid ("NA)

(#) identify and illustrate how changes in DNA cause mutations

and e$aluate the significance of these changes

TAKS Objective 2 page

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$or Tea%ers E'es On('DNA

"eplication

Transcription

Translation

%utations

Stu)ent Prior Kno*(e)+e

&tudents should be familiar with the components associated with body systemsT'& .*+ (#) identify how structure complements function at different le$els of

organiation including organs, organ systems, organisms, and populations and the

functions of these systems.

TAKS Objective 2 page 2

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, E&s

ENGAGE

Allow students to watch the $ideoPhoto 51. -t is the story of "osalind ranklin,

/atson, and #rick and there 0ourney to disco$er the structure of DNA. /hile

watching the $ideo, ha$e students complete the $iewing guide.

E-PLO.E

Explore 1

-ND A T'#1N23245 6-'#' T2 -N#2"62"AT' 1'"'7..%A5!'%A-N4 T1' "NA %23'#83' 8&-N4 %-#"2&2T

/2"D&9999999999999

Explore 2

!"A #$periment for %arents

&tudents will attempt to extract DNA from different types of food in their home.

Additionally, students are to discuss and explain this process to their parents.

6arents will complete a :uestion and form that will be returned by students.

E-PLAIN

#omplete the -ntro to DNA presentation with your student with discussion

and the completion of the following :uestions.

TAKS Objective 2 page &

DNA an) .NA

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ELABO.ATE

&tudents will re$iew the DNA ;ewelry %odel they made and re

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Photo 51 Film Guide

1. At an early age Rosalind showed an affinity to what subjects in school?

2. t. Paul Girls chool was it traditional or career oriented?

!. "hat outside e#ent$s% caused Fran&lin to &ic& start her career?

'. (escribe crystallogra)hy.

5. "hat college did Rosalind attend?

*. "hat im)ro#ements did she gi#e +ngland that contributed to the war

effort?

,. "here did Fran&lin )erfect her crystallogra)hy s&ills?

-. "hy did Rosalind go to ing/s 0ollege?

. "hat did )eo)le thin& (A was com)osed of at the time?

13. "hat a))roach do "atson and 0ric& ta&e to finding the structure of (A?

11. "hat is Rosalind/s o)inion of " 4 0 first model?

TAKS Objective 2 page )

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12. "ho was gi#ing "atson and 0ric& Fran&lin/s findings?

1!. 6ow did Fran&lin react to the +" model?

1'. "hat critical role does Fran&lin/s Photo )lay in finding the (A structure?

15. "hat )robably caused Fran&lin/s cancer?

1*. "hat year did "atson 0ric& and "il&ins recei#e their obel Pri7e? 18888

1,. "hat was dis)layed at the "orld/s Fair that Fran&lin disco#ered?

1-. "hat was Fran&lin/s ultimate reward in studying science?

TAKS Objective 2 page *

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Photo 51 Film Guide +9

1. At an early age Rosalind showed an affinity to what subjects in school?

:ath and cience

2. t. Paul Girls chool was it traditional or career oriented? 0areer ;riented

and of no Religious Affiliation

!. "hat outside e#ent$s% caused Fran&lin to &ic& start her career? ""

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12. "ho was gi#ing "atson and 0ric& Fran&lin/s findings? "il&ins

1!. 6ow did Fran&lin react to the +" model?

1'. "hat critical role does Fran&lin/s Photo )lay in finding the (A structure?

15. "hat )robably caused Fran&lin/s cancer? ;#er e>)osure to ?@Rays

1*. "hat year did "atson 0ric& and "il&ins recei#e their obel Pri7e? 1*2

1,. "hat was dis)layed at the "orld/s Fair that Fran&lin disco#ered? irus

:odel

1-. "hat was Fran&lin/s ultimate reward in studying science?

TAKS Objective 2 page ,

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DNA 'xperiment for 6arents

/e ha$e been looking at the structure and function of DNA. Now, your student

is to demonstrate the extraction and discuss with you what they ha$e learned.

'xamples of a DNA source= peas, spinach, chicken, li$er, onions, broccoli,banana

1ere>s the fun part. 6ut into a bender=

5our DNA source (about *++ m3 or about *?@ of a cup)

A large pinch of table salt (*? teaspoon)Twice as much cold water as the DNA source (B++ m3 or about B?@ cup)

!lend on high for *C seconds.

6our your thin soupE through a strainer into another container (like a

measuring cup). 1ow much soupE do you ha$e9 Add about *? that amount of li:uid

detergent (about B tablespoons) and swirl to mix. 3et the mixture sit for C