Term
| Proteins are made up of how many amino acids? |
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Definition
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Term
| What are the functions of protein? |
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Definition
| Structural support, storage, transport, cellular communications, movement, and defense against foreign substances. |
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Term
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Definition
| a type of protein that acts like a catalyst to speed up chemical reactions. |
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Term
| What are the 4 levels of protein structure? |
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Definition
| Primary, Secondary, Tertiary, and Quaternary |
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Term
| Sickle-Cell disease is a what trait? |
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Definition
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Term
| Unraveling of protein is caused by what? |
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Definition
| alternations in pH, salt concentration, temperature, or other environmental factors. |
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Term
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Definition
| Protein molecules that assist proper folding of proteins and provide an isolating environment. |
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Term
| What is X-ray crystallography used for? |
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Definition
| It determines protein's structure. |
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Term
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Definition
| The loss of a protein's native structure which makes it biologically inactive. |
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Term
| What is primary structure? |
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Definition
| the unique sequence of amino acids |
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Term
| What is secondary structure? What are the two types? |
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Definition
found in most proteins, consists of coils and folds in the polypeptide chain.
2 types: a helix (coiling) and B pleated sheet (2 or more regions lying side by side) |
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Term
| What are peptide bonds formed by? What do they do? |
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Definition
| They are formed by dehydration synthesis. They link amino acids. |
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Term
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Definition
| Polymers built from the same set of 20 amino acids. |
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Term
| What is tertiary structure? |
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Definition
| determined by interactions among various side chains. |
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Term
| What is quaternary structure? |
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Definition
| results when a protein consists of multiple polypeptide chains. |
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