Protein Structure and Function

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Questions and Answers

What determines the function of a protein?

A protein's specific structure determines how it functions.

Give an example of a protein's function and the molecule it binds to.

Antibodies attach to viruses or bacteria to mark them for destruction by recognizing and binding to a specific foreign substance (antigen).

Explain the relationship between an enzyme and its substrate.

An enzyme must recognize and bind closely to its substrate, with specific complementary geometric shapes that fit exactly into one another, similar to a key and lock mechanism.

How does the text define the relationship between protein structure and function?

A protein's specific structure determines how it functions, with the function depending on its ability to recognize and bind to some other molecule. Signup and view all the answers

Describe the specificity of protein binding to other molecules.

All proteins bind to other molecules, showing great specificity as each protein molecule can usually bind just one or a few molecules out of the many thousands of different types it encounters. Signup and view all the answers

What determines the function of a protein?

Its ability to recognize and bind to other molecules (B) Signup and view all the answers

How does an antibody function in the body?

By attaching to viruses or bacteria to mark them for destruction (B) Signup and view all the answers

How would you describe the specificity of protein binding?

Each protein molecule can usually bind just one or a few molecules out of many thousands of different types it encounters (D) Signup and view all the answers