Numerade

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From the following, what is the best definition of a lipid? Biomolecules that contain a carboxyl group Biomolecules that form a lot of hydrogen bonds with other biomolecules Biomolecules that contain large amounts of oxygen Biomolecules that are insoluble in water

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Why are chloride channels important for neural communication? • They cause the repolarization phase of the action potential. ☐ They cause the depolarization phase of the action potential. They cause neural inhibition which helps to reduce and control brain activity. They cause neural excitation which helps to increase brain activity. None of the above; chloride isn't involved in the action potential so it's not important for neural communication.

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The "too big to fail" doctrine, which became widely discussed during the Great Recession, refers to: Question 53Answer a. The idea that only large corporations can effectively manage financial risks b. Large companies that can never go bankrupt c. The belief that certain financial institutions are so large that their failure would be catastrophic to the economy d. Government policy to prevent monopolies in critical industries

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Suppose Amber and Jade can spend their days making croissants or writing poems. Their output per hour at each activity is the following: Croissants Poems Amber 40 4 Jade 30 1/3 In this situation, can mutually beneficial trade occur? Question 10Select one: A. No, because Amber and Jade have the same opportunity cost of producing both goods. B. No, because Jade is more productive than Amber at both activities. C. No, because Amber more productive than Jade at both activities. D. Yes, if Amber specializes in writing poems and trades them to Jade for her croissants. E. Yes, if Amber specializes in making croissants and trades them to Jade for her poems.

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The Hawaiian islands were formed primarily as a result of: A. plate divergenceB. a transform faultC. plate convergence D. hot spot

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Caffeine's mode of action is to ____. a. mimic adenosine, keep a person awake b. release dopamine into the synapse and inhibit reuptake c. mimic natural endorphins d. generally depress the nervous system e. release excessive serotonin

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2. When Cr(III) is oxidized to Cr(VI), its solubility, mobility and toxicity are dramatically increased. Given the following data: Fe(OH)3(s) + e (aq) + 3H+ (aq) = Fe2+(aq) + 3H2O(l) log K 16.72 0.33HCrO4(aq) + e (aq) + 1.33H+ (aq) = 0.33Cr(OH)3(s) + 0.33H2O(l) 18.81 (a) What is the oxidation state of Fe in Fe(OH)3? 3+ (b) Determine if Fe(OH)3 may oxidize Cr(III) in solid Cr(OH)3 under standard conditions. (c) Assuming (HCrO4) = (Fe2+) = 10^-5, at what soil pH values will Cr oxidation proceed? (d) What can you conclude about the effects of soil acidity on environmental hazards of Cr? (e) What would be the effect of increasing the ratio of (HCrO4) to (Fe2+) on \(\Delta G\) for this reaction?

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Those who experience suicidal ideation often have a diagnosis involving psychosis find themselves at a loss regarding their emotional life and how they feel about anything experience (often random or intrusive) thoughts about suicide often report also thinking of psychological autopsy

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Under a fixed-rate system, a country that followed policies that would lead to a higher rate of inflation than that experienced by its trading partners would: a. experience a balance-of-payments surplus as its goods became more expensive b. see a decrease in the supply of its currency on the foreign exchange markets c. find its currency subject to upward pressure d. experience a balance-of-payments deficit as its goods became more expensive

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sheryl b.