Exam 5: Ground Rules of Metabolism

MATCHING Matching.Choose the one most appropriate answer for each. a.rate of forward reaction about equals rate of reverse reaction b.coenzyme that diffuses freely through the cytoplasm c.attachment of a phosphate group by a high-energy bond d.an excess of end-product molecules alters the shape of the first enzyme in the pathway and shuts off that metabolic pathway e.part of an enzyme that binds to the substrate f.by binding a regulatory molecule, it changes the activity of a metabolic pathway g.affects rates of chemical reactions h.universal energy currency i.assists in the detoxification of ethanol j. a measure of the degree of energy change after a concentrated form of energy has been dispersed -active site

In oxidation-reduction reactions, all of the following are true EXCEPT

Which of the following affects the rate of diffusion through a selectively permeable membrane? I. Concentration gradient II) Temperature III) Molecular size

MATCHING Matching.Choose the one most appropriate answer for each. a.rate of forward reaction about equals rate of reverse reaction b.coenzyme that diffuses freely through the cytoplasm c.attachment of a phosphate group by a high-energy bond d.an excess of end-product molecules alters the shape of the first enzyme in the pathway and shuts off that metabolic pathway e.part of an enzyme that binds to the substrate f.by binding a regulatory molecule, it changes the activity of a metabolic pathway g.affects rates of chemical reactions h.universal energy currency i.assists in the detoxification of ethanol j. a measure of the degree of energy change after a concentrated form of energy has been dispersed -entropy

Which of the following terms best describes the role of certain metal ions and coenzymes in metabolic processes?

Which of the following is NOT a form of passive transport?

The activation energy of a reaction refers to the minimum amount of energy

Classification.The items below are processes that occur during different stages of photosynthesis.Answer the following questions by selecting one of these three processes. a.oxidation b.reduction c.phosphorylation -A chemical interaction in which the products contain less free energy than the reactants is called a(n) __________ reaction.

Classification.The items below are processes that occur during different stages of photosynthesis.Answer the following questions by selecting one of these three processes. a.oxidation b.reduction c.phosphorylation -This process is involved when a photon of light energy causes an electron to leave the chlorophyll molecule.

Classification.The items below are processes that occur during different stages of photosynthesis.Answer the following questions by selecting one of these three processes. a.oxidation b.reduction c.phosphorylation -This process leads to the formation of ATP from ADP plus inorganic phosphate.

Allosteric inhibition generally results from

The enzyme responsible for breaking down alcohol is

The second law of thermodynamics states that

Allosteric enzymes

Classification.The items below are processes that occur during different stages of photosynthesis.Answer the following questions by selecting one of these three processes. a.oxidation b.reduction c.phosphorylation -The enzyme that works in conjunction with ATP to produce bioluminescence is called __________.

MATCHING Matching.Choose the one most appropriate answer for each. a.rate of forward reaction about equals rate of reverse reaction b.coenzyme that diffuses freely through the cytoplasm c.attachment of a phosphate group by a high-energy bond d.an excess of end-product molecules alters the shape of the first enzyme in the pathway and shuts off that metabolic pathway e.part of an enzyme that binds to the substrate f.by binding a regulatory molecule, it changes the activity of a metabolic pathway g.affects rates of chemical reactions h.universal energy currency i.assists in the detoxification of ethanol j. a measure of the degree of energy change after a concentrated form of energy has been dispersed -phosphorylation

According to the first law of thermodynamics,

MATCHING Matching.Choose the one most appropriate answer for each. a.rate of forward reaction about equals rate of reverse reaction b.coenzyme that diffuses freely through the cytoplasm c.attachment of a phosphate group by a high-energy bond d.an excess of end-product molecules alters the shape of the first enzyme in the pathway and shuts off that metabolic pathway e.part of an enzyme that binds to the substrate f.by binding a regulatory molecule, it changes the activity of a metabolic pathway g.affects rates of chemical reactions h.universal energy currency i.assists in the detoxification of ethanol j. a measure of the degree of energy change after a concentrated form of energy has been dispersed -equilibrium

The rate of diffusion through a selectively permeable membrane will be lowest when which of the following is(are) true? I. Concentration gradients are steep. II) Temperatures are low. III) Solutes are small molecules.

In the image above, the substance indicated as "A" is a(n)