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Grade 7, Science
Std #:
10 Identify differences between deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).

Lesson Plans:

Candy DNA Replication
Students use candy pieces and toothpicks to "build" DNA molecules and then simulate DNA replication.

DNA Extraction with Kitchen Chemistry
Students will learn that you can extract DNA from various foods that are found in your refrigerator.

DNA Beads
Strings of colored beads are used to represent strands of DNA.

DNA Replication Zippers
To help students understand DNA replication through the use of a familiar analogy (the zipper).

DNA Scavenger Hunt
The code shown is the DNA code; students change the code to the m-RNA codon and then look up each triplet codon to determine the letter the codon equals. The letters will form words, in this case, items to find in a scavenger hunt. The items must be listed in the order the code dictates.

Clothesline Translation
To show how translation works by illustrating physically the roles of mRNA, tRNAs, and amino acids in the process.

The Hope of Science: DNA Practical Applications Time Line
Students will design a time line to inform and educate people about the history of DNA practical applications.

DNA Sequencing
Students learn to read a gel electrophoresis sequence, learn a technique of DNA sequencing through gel electrophoresis convert the DNA sequence into amino acid sequence

DNA Fingerprinting
Simulation of the process of gel electrophoresis used to separate DNA fragments of different lengths. Each student prepares his/her own DNA fingerprint and compares it to others in the class.

Groovy DNA Beads
The main objective of this mini-teach is to provide students with a hands-on experience matching DNA nitrogenous base pairs, arranging nucleotides into codons, and visualizing the size of a single gene.

The ABC's of DNA
Students will learn about key genetic terms through a skit

A Tour Through DNA
Students design a 3D DNA Model and a Tour Guide and lead "tourists" on an imaginary trip through a DNA model.

Understanding the Code of Life
The learner will use text, critical listening, and lecture material to draw, label, construct and describe the function of DNA, model the process of NDA replication, and compare and contrast different views on alternating DNA and biotechnology.

Cat, Gag, Tag Act-An Analogy
Students "decode" the DNA sequence to illustrate the concept of different reading frames and that only one frame may make "sense."

 

Resources:

DNA
Students can work at their own pace through this informative, multi-step resource.

DNA -- Finding a Sequence in the Genetic Haystack
Play "Search for the Sequence", then explore ethical issues related to genetics.

Putting DNA to Work
Interactive multimedia activities to explore some of the applications of DNA technology.

DNA From The Beginning
An animated primer on the basics of DNA, genetics, and heredity.

RNA - Ribonucleic Acid - Detailed
Descriptions and illustrations of RNA structure

 

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