Chapter 1, Problem 9RQ

Does physical exercise to increase muscle mass involve anabolic and/or catabolic processes? Give evidence for your answer.

Which of the following is not true about enzymes? a. They are consumed by the reactions they catalyze. b. They are usually made of amino acids. c. They lower the activation energy of chemical reactions. d. Each one is specific to the particular substrate(s) to which it binds.

Which of the following choices BEST describes metabolism?   a. breakdown of biomolecules b. controlled by enzymes and involved ATP c. all of the choices are correct d. synthesis of biomolecules

What is meant by the term cellular respiration? A. The process by which cells breath B. The process by which cells make their own food by assembling chemical bonds. C. The process by which cells break down the chemical bonds in food to get energy D. The process by which cells make oxygen for us to use in our bodies.

Which of the following is not a function of a protein? A. Long term energy storage B.Repair body tissues C.Allows metabolic reactions to take place D.They catalyze reactions

what advantage does metabolism provide to living things? a. metabolism provides the energy needed for reproduction and homeostasis b. metabolism provides organisms with much needed camouflage c. without metabolism, the chemical elements necessary for life could not form d. metabolism produces offspring

Enzymes catalyze a chemical reaction by A. decreasing the amount of ATP required to activate a reaction B. increasing the amount of ATP required to activate a reaction C. slowing down the reaction to obtain more products D. increasing the reaction to obtain more products E. decreasing the amount of ATP required and obtaining more products.

Which of the following statements IS true? (Choose only 1 answer) a) The pH value of lungs is lower than that of tissue b) Protons compete with oxygen c) Protons will facilitate  oxygen release in lungs d) Production of lactate during exercise will accelerate oxygen delivery

Cyanide makes a bond to cytochrome in the electron transport chain located in the mitochondria, rendering the electron transport chain useless. The cyanide ingestion in death due to which of the following?  a) Starvation, due to an inability to create glucose.b) Build up of lactic acid.c) Inability to take in oxygen through the lungs.d) Cellular death from lack of energy.