Metabolism is best defined as a collection ofOcellular processes that activate cell division.biochemical reactions that convert mechanical work into energy.O enzymes that convert metabolites into pathways.Obiochemical reactions that convert chemical energy into work.

Biochemistry is an attempt at explaining the living cell in chemical terms. A living cell is the…

Answered: Metabolism is best defined as a…

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter3: Cells And How They Work

Section: Chapter Questions

Problem 7SQ: Which of the following statements is not true? Metabolic pathways _____. a. occur in a stepwise...

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Enzymes have all the following characteristics except: a. they act as biological catalysts b. they are proteins c. they carry out random chemical reactions d. they convert substrates into products e. they can cause genetic disease
The capacity to do work best defines: a metabolic pathway. entropy. kinetic or potential energy. a chemical equilibrium. thermodynamics.
Which of the following statements is NOT true? None of the other four answers (all are true) The energy required to cause a chemical reaction to occur is called the activation energy Decomposition (degradation, catabolic) reactions are usually endergonic Chemical reactions in living cells are catalyzed by enzymes Enzymes increase the probability that a chemical reaction will take place by lowering the activation energy
Which of the following do enzymes change?∆G ; reaction rate; types of product generated; activation energy; the laws ofthermodynamics.
Which of the following is NOT true about enzymes? Enzymes are proteins Enzymes raise the activation energy of a chemical reaction Enzymes help a chemical reaction to occur more quickly Enzymes have an active site Enzymes may be controlled by feedback inhibition
Which of the following is true about how enzymes work in the cell? A. Enzymes are consumed in the process of converting one molecule to another. B. Enzymes are needed to carry out only endergonic reactions. C. Enzymes are needed in the cell to increase the rate of a chemical reaction. D. Enzymes eliminate the activation barrier.
Which of the following is/are TRUE of an enzyme? Enzymes lower the release of free energy Enzymes are not consumed in a reaction Not all enzymes are proteins Enzymes only affect endergonic reactions Enzymes only affect exergonic reactions
It is the sum of all biochemical reactions occurring in the cell
Which organelle is considered the energy store house in the body
Which of the following regulatory methods could never increase enzyme activity? phosphate removal by a phosphatase phosphate addition by a kinase allosteric regulation negative feedback positive feedback
Which of the following statements are incorrect? Enzymes and inorganic catalysts speed up reactions. Enzymes and inorganic catalysts are non-specific. Enzymatic activity can be regulated. Enzymes undo allosteric change and inorganic catalysts cannot.
Which of the following statements about enzyme function is FALSE? Enzymes change shape permanently after a reaction, and can’t be re-used. Enzymes are types of proteins. Enzymes are highly specific molecules. Enzymes lower the activation energy of a reaction. Enzymes bind to substrates a an area called the “active site."

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Metabolism is best defined as a collection of Ocellular processes that activate cell division. biochemical reactions that convert mechanical work into energy. O enzymes that convert metabolites into pathways. Obiochemical reactions that convert chemical energy into work.