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BIO 181 UNIT 1 EXAM QUESTIONS WITH COMPLETE ANSWERS

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BIO 181 UNIT 1 EXAM QUESTIONS WITH COMPLETE ANSWERS

Institution
BIO 181
Course
BIO 181

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Denatration


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unraveling or losing the native structure of the protein




Ex of compound


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Sodium chloride




Buffers are either...

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weak bases or weak acids




Ex of secondary level of protein structure


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alphahelix and betapleata sheet




Frozen water is less/more dense than liquid water?


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Less




Covalent bonds


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atoms incompletely filled valence electron shells share electrons between
them




Unsaturated fats help


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, maintain fluidity of the cell membrance




How many electrons can the first energy level hold?


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2, can have 1




O
|
O-P-O
|
O


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Phosphate
found in DNA and RNA




At sea level (1 atmosphere) water boils at...


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212 degrees F or 100 degrees C

, Starches


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complex CHO
polymers




golgi body/apparatus


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consists of products of the er; a port




Ex of irreversible protein denatration


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an egg; you cannot reverse what you did to an egg




What leads to the formation of hydrogen bonds btw molecules?


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polar bonds btw atms in a polar molecule that involve molecules with H
atoms

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Institution
BIO 181
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BIO 181

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