Scientists can put spider genes into yeast. The yeast can decode the spider genes to make spider silk protein. Why is this so? Evaluate the models. MODEL 1 Spider DNA mRNA mRNA Spider Protein 3. The yeast used machinery from a spider to read the spider genetic code, so both organisms make a protein that is identical. 1. The yeast transcription machine cannot read the spider gene, so yeast uses a machine from a spider to make an mRNA copy. Transcription Machine 2. The yeast translation machine cannot read the mRNA, so yeast uses a machine from a spider to make the protein. Translation Machine MODEL 2 Spider DNA mRNA mRNA Spider Protein 3. Yeast and spiders use the same genetic code, so both organisms make a protein that is identical. 2. Explain why one model is correct and the other one isn't. 1. Which model correctly explains what happens inside the yeast cell? 1. The yeast transcription machine reads the spider gene and makes an mRNA copy. Transcription Machine 2. The yeast translation machine reads the mRNA to make the protein. Translation Machine

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Scientists can put spider genes into yeast. The yeast can decode the spider genes to make spider
silk protein. Why is this so? Evaluate the models.
MODEL 1
Spider DNA
mRNA
mRNA
Spider
Protein
3. The yeast used machinery from
a spider to read the spider
genetic code, so both organisms
make a protein that is identical.
1. The yeast transcription
machine cannot read the
spider gene, so yeast uses
a machine from a spider to
make an mRNA copy.
Transcription
Machine
2. The yeast translation
machine cannot read the
mRNA, so yeast uses a
machine from a spider to
make the protein.
◄ Translation
Machine
MODEL 2
Spider DNA
▼ mRNA
mRNA
Spider
Protein
3. Yeast and spiders use the
same genetic code, so both
organisms make a protein
that is identical.
2. Explain why one model is correct and the other one isn't.
1. Which model correctly explains what happens inside the yeast cell?
1. The yeast transcription
machine reads the spider
gene and makes an mRNA
copy.
Transcription
Machine
2. The yeast translation
machine reads the mRNA
to make the protein.
Translation
Machine
Transcribed Image Text:Scientists can put spider genes into yeast. The yeast can decode the spider genes to make spider silk protein. Why is this so? Evaluate the models. MODEL 1 Spider DNA mRNA mRNA Spider Protein 3. The yeast used machinery from a spider to read the spider genetic code, so both organisms make a protein that is identical. 1. The yeast transcription machine cannot read the spider gene, so yeast uses a machine from a spider to make an mRNA copy. Transcription Machine 2. The yeast translation machine cannot read the mRNA, so yeast uses a machine from a spider to make the protein. ◄ Translation Machine MODEL 2 Spider DNA ▼ mRNA mRNA Spider Protein 3. Yeast and spiders use the same genetic code, so both organisms make a protein that is identical. 2. Explain why one model is correct and the other one isn't. 1. Which model correctly explains what happens inside the yeast cell? 1. The yeast transcription machine reads the spider gene and makes an mRNA copy. Transcription Machine 2. The yeast translation machine reads the mRNA to make the protein. Translation Machine
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