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sugars and starches
What is adhesion?
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the attraction of water to another substance
What bases are found in RNA?
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guanine
adenine
uracil
cytosine
What are chloroplasts?
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1) used for photosyntheis
2) have two membrane
3) circular DNA similar to bacteria is present
4) ribosomes present like those in bacteria
What are the emergent properties of water?
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cohesion and adhesion, thermal stability, expansion upon freezing,
versitality as a solvent
What are the functions of membrane proteins?
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, transport through pumps or diffuse certain proteins
What are centrioles?
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1) a minute cylindrical organelle near the nucleus in animal cells
2) found in pairs
3) involved in the development of spindle fibers in cell division
What bases are found in DNA?
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guanine
adenine
thymine
cytosine
How are proteins folded correctly?
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, 1) In a chaperonin protein that is shaped like a chamber.
2) An unfolded polypeptide enters the cylinder from one end.
3) Cap attachment causes the cylinder to change shape, creating a
hydrophilic environment for polypeptide holding.
4) The cap comes off, and the properly folded protein is released.
What are the characteristics of a carboxyl group?
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acid; carboxylic acid; organic acid
What are bases?
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pH greater than 14 and have a higher concentration of OH_
What are lipids?
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fats, oils, waxes, steroids, and phospholipids
What is the tertiary structure of a protein?