Biology

Which of the following statements concerning unsaturated fats is true? A) They a

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The structural level of a protein least affected by a disruption in hydrogen bon

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Enzymes that break down DNA catalyze the hydrolysis of the covalent bonds that j

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Which of the following takes place as an ice cube cools a drink? A) Molecular co

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Which of the following effects is produced by the high surface tension of water?

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Water molecules are able to form hydrogen bonds with A) compounds that have pola

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Sulfur is in the same column of the periodic table as oxygen, but has electroneg

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The partial negative charge in a molecule of water occurs because A) the oxygen

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The slight negative charge at one end of one water molecule is attracted to the

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In a single molecule of water, two hydrogen atoms are bonded to a single oxygen

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Hydrophobic substances such as vegetable oil are A) nonpolar substances that rep

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Equal volumes (5 mL) of vinegar from a freshly opened bottle are added to each o

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One mole (mol) of glucose (molecular mass = 180 daltons) is A) 180 × 1023 molecu

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How many molecules of glycerol (C3H8O3; molecular mass = 92) would be present in

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You have a freshly prepared 1 M solution of glucose in water. You carefully pour

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