IBBiology @Skyline High School

                                                                                                                                                                     

 

Proteins and Mutation Unit Plan (9 days)

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Assessment Statements:

Protein Structure

3.6.4

Define denaturation.

 

7.4.5

Draw and label a diagram showing the structure of a peptide bond between two amino acids.

 

7.5.1

Explain the four levels of protein structure, indicating the significance of each level.

 

7.5.3

Explain the significance of polar and non-polar amino acids.

 

 

Protein Function

7.5.2

Outline the difference between fibrous and globular proteins, with reference to two examples of each protein type.

 

7.5.4

State four functions of proteins, giving a named example of each.

 

 

Mutations

4.1.3

Define gene mutation.

 

4.1.4

Explain the consequence of a base substitution mutation in relation to the processes of transcription and translation, using the example of sickle-cell anemia.

 

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What You Need to Know

Protein Structure

Draw the generalized amino acid structure, identifying the amino group, the carboxyl group, the radical group, and the alpha carbon.

Define what is meant by “essential amino acid.”

Explain how the characteristics of R groups (polar, non-polar, and ionic) affect their behavior in protein folding.

Describe polypeptide chain formation in terms of the formation of peptide bonds and condensation reactions.

Determine the number of peptide bonds given the number of amino acids in a polypeptide.

Describe the primary structure of a protein, including the type of bonding involved.

Describe the secondary structure of a protein, including the type of bonding involved.

Describe the tertiary structure of a protein, including the types of bonding involved.

Describe the quaternary structure of a protein.

Explain the role of chaperones in protein folding.

Contrast the structure of globular proteins with the structure of fibrous proteins.

Define denaturation and list conditions that can cause it to happen.

 

Protein Function

Define proteomics.

Contrast the generalized function of globular proteins with generalized function of fibrous proteins.

List and describe examples of fibrous proteins used in structure and support.

List and describe examples of fibrous proteins used for movement and contraction.

List and describe examples of globular proteins used for storage.

List and describe examples of globular proteins used for transport.

List and describe examples of globular proteins used as hormones.

List and describe examples of globular proteins used as receptors.

List and describe examples of globular proteins used in defense against disease.

List and describe examples of globular proteins used as enzymes.

Explain the role of mis-folded proteins in disease (specifically Alzheimer’s).

 

Mutations

 

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Unit Activities List:  

Amino acid packet (doc)

Protein structure and function notes (doc)

Protein structure and function notes notes (ppt)

Protein structure role play

Mystery of protein folding article

Proteins rule article (pdf)

Proteins rule reading questions (doc)

Protein toober lab (doc)

Protein molecular visualization (doc)

Foldit

Protein function memory match

Mutation notes

Mutation worksheet

Mutations packet (pdf)

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Key Terms:

 

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Helpful Links:

Protein Structure

Amino Acid and Peptide Bond Animation

Life Cycle of a Protein

Heat Changes a Protein Structure

Protein Secretion

Biomolecules: Proteins

Acideroids game

 

Mutation

Mutation by Base Substitution

Addition and Deletion Mutations

Mutation

 

 

"When we tug at a simple thing in nature, we find it attached to the rest of the world."  John Muir