Bio Questions from Snedden

Bio Questions from Snedden - Bio Questions from Snedden...

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Unformatted text preview: Bio Questions from Snedden CHAPTER SIX How can cells adapt to changes in their environment with reference to the proteome? By altering the composition of the proteome True or False. All macromolecules have finite lifetimes. False. DNA is stable, but other large macromolecules have finite lifetimes. What is a proteasome and describe its structure. A proteasome is involved with protein degredation and consists of a core of 4 stacked rings, each composed of 7 protein subunits. There is a cap at each end of the subunit which controls the entry of proteins into the proteasome What is ubiquitin? A protein which directs unwanted proteins into the proteasome to be degraded What are the four main interacting parts of a eukaryotic cell? Nucleus, cytosol, endomembrane system, semiautonomous organelles What are three mechanisms of lipid transfer throughout the eukaryotic cell?What are three mechanisms of lipid transfer throughout the eukaryotic cell?...
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This note was uploaded on 11/28/2010 for the course SCI 1025484 taught by Professor Armstrong during the Spring '10 term at Acadia.

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Bio Questions from Snedden - Bio Questions from Snedden...

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