BIOL 101 Quiz 3

BIOL 101 Quiz 3 Liberty University

Set 1

  1. During the electron transfer reactions, protons (H+ ions) are pumped (moved) to one side of the inner membrane of the mitochondrion. The value of this pumping is that the proton gradient is then used
  2. Producer organisms convert _______ energy to chemical energy—the energy of C―H and C―O―H bonds.
  3. Accessory pigments enable the chloroplast to
  4. Systems that convert energy from one form to another are
  5. All of the six carbon atoms in each glucose molecule leave respiration in the form of carbon dioxide. Most of them leave during which part of aerobic respiration?
  6. An excess amount of product accumulates at the end of a metabolic pathway. The product then binds to the allosteric site of the first enzyme along the pathway shutting down the pathway. We call this process
  7. A useful way for a cell biologist to define energy is
  8. On a cold day, your cells depend on ________ to maintain an operating temperature of 37 degrees Celsius.
  9. The value of the three stages of aerobic respiration is their ability to break down glucose, a single molecule, with the resultant production of about
  10. is freely convertible from one form to another but _______ can never be created or destroyed.
  11. The immediate source of electrons for electron transfer phosphorylation is
  12. The three metabolic pathways that make up aerobic respiration are really all parts of one larger pathway because
  13. In photosynthesis, ______ and ______ are used to build_______ and release______.
  14. _________ is a reactant in the process of aerobic respiration and _______ is a product of the same process
  15. The energy storage molecule that connects endergonic and exergonic reactions, driving endergonic reactions forward, is
  16. When activation energy is not available for a given chemical reaction
  17. In respiration, chemical energy is transferred from glucose to ATP. The energy transfer however, is not 100% efficient. In the transfer, some of the energy is lost as
  18. Which of the following is neither a reactant nor a product of glycolysis?
  19. Autotrophic organisms are supportive of man. They
  20. The immediate product of photosynthesis, three-carbon PGALs
  21. If the final product of a metabolic pathway begins to build up in excess, the pathway can often be slowed down by a process called
  22. An allosteric enzyme
  23. NADPH is formed when
  24. DNA contains two chains of nucleotides in which ______ and ______ alternate in supporting each chain structurally.
  25. The wavelengths of light used in photosynthesis are found in the _________ portion of the electromagnetic spectrum.

Set 2

  1. New molecules of glucose are produced
  2. An ATP molecule carries potential energy in the easily broken bond
  3. In a crowded, unventilated room, the temperature rises because
  4. ________ organisms build their own energy-rich molecules using solar energy.
  5. DNA contains two chains of nucleotides in which ______ and ______ alternate in supporting each chain structurally.
  6. Which of the following substances would most likely enable a flagellum to drive a bacterium forward through the medium in which it is swimming?
  7. Which of the following is not a product of the Krebs cycle?
  8. Which of the following phrases best describes the role of NADPH in photosynthesis?
  9. An endergonic reaction always
  10. Whenever chemical bonds are broken, energy is __________. Whenever chemical bonds form, energy is __________.
  11. The structure of DNA was unraveled using
  12. In respiration, chemical energy is transferred from glucose to ATP. The energy transfer however, is not 100% efficient. In the transfer, some of the energy is lost as
  13. _________ is a reactant in the process of aerobic respiration and _______ is a product of the same process.
  14. DNA is stored within the ____________ of a cell in a __________ fiber called chromatin.
  15. Griffith exposed weak living bacteria to just the fluids from dead virulent bacteria. Some of these weak bacteria became virulent and could now kill mice. What control experiment did he do to argue that his weak bacteria changed to virulence in these studies?
  16. The overall process that uptakes energy-poor molecules (CO2 and H2O) from their reservoirs in nature and converts them into energy-rich molecules is
  17. The Krebs cycle’s NADH products are of value because
  18. When activation energy is not available for a given chemical reaction
  19. Producer organisms convert _______ energy to chemical energy—the energy of C―H and C―O―H bonds.
  20. Accessory pigments and chlorophylls work together within the thylakoid membrane in clusters called __________ . They harvest light energy and use it to transfer electrons to _______________.
  21. DNA was discovered by Friederick Miescher; he isolated it from
  22. For most chemical reactions in the non-living world, the energy required to break bonds in the reactant molecules
  23. In the process of ____________, three interrelated, exergonic pathways and oxygen are used to igenerate large amounts of ATP from glucose molecules.
  24. Enzymes are important because they
  25. Reactants like hydrogen and oxygen molecules and are converted into a product like water molecules in the course of