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BIOL 213 EXAM 1 QUESTIONS AND VERIFIED ANSWERS..

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BIOL 213 EXAM 1 QUESTIONS AND VERIFIED ANSWERS

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Which bases pair together in DNA and RNA?


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A pairs with T (DNA) or U (RNA), and G pairs with C.




What do the terms in ΔG = ΔH - TΔS represent?


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ΔH = change in enthalpy (heat)
T = temperature
ΔS = change in entropy

,what is cell biology?


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the study of cells structure, function, and behavior




what are the characteristics of living things that distinguish them from non-living
matter?


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cellular organization
metabolism
homestasis
growth & development
reproduction
evolution & adaptation




is unsaturated or saturated more likely to be solid at room temperature?


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Saturated fats, because their straight chains pack tightly together.




what are polar covalent bonds?


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, unequal sharing of electrons




Which two monosaccharides make up sucrose?


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glucose and fructose




what are the amino acid uncharged polar side chains?


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asparagine
glutamine
serine
threonine
tyrosine




what is an acid?


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any molecule capable of releasing/donating a hydrogen ion (proton)




what are peptide bonds?

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Bonds between amino acids




carbonyl group


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C=O




what are the unique properties of H2O?


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High boiling point
High specific heat
Liquid at RT
Lower density as solid (ice floats)
Surface tension




what do covalent bonds do?


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share electrons

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