Term
| Proteins are critical in living organisms. What is one example of the many important functions of proteins in organisms? |
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Definition
| They impart mobility to cells and entire organisms? |
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Term
| What class of macromolecules is made up of amino acids? |
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Definition
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Term
| Monomers join to form polymers under what chemical conditions? |
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Definition
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Term
| How do Prions cause disease? |
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Definition
| They cause changes in the shape of normal protein molecules that lead to disintegration of mammalian brains. |
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Term
| From the list below, choose the most likely enzyme to be present in a bacterium found in a hot water vent in an acidic current. |
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Definition
| Enzyme B-functions best at a pH of 3 and a temperature of 90ºC |
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Term
| Which statement best describes the R-groups or side chains of amino acids? |
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Definition
| The nature of side chains determines how soluble each amino acid is in water. |
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Term
| The _______ structure of a protein is the sequence of amino acids. |
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Definition
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Term
| At which step of chemical evolution did life become possible? |
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Definition
| Evolution of an information-containing, self-replicating molecule |
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Term
| Stanley Miller set up a laboratory simulation of conditions suspected of having been prevalent on early Earth in order to ascertain whether chemical evolution was possible. Based on his experiments, what was the energy source identified as most likely responsible for the formation of complex, carbon-containing compounds from simple molecules present on early Earth? |
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Definition
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Term
| The lowering of activation energy during the transition step of enzyme catalysis depends on _____ at the enzymes active site. |
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Definition
| interactions with R-groups |
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