QUESTION 52 An organism is discovered that thrives in both the presence and absence of oxygen in the air. Curiously, the consumption of sugar increases as oxygen is removed from the organism's environment, even though the organism does not gain much weight. This organism O a. is photosynthetic O b. is a normal member of the animal kingdom O c. must utilize a molecule other than oxygen to accept electrons from the electron transport chain O d. only performs fermentation to make ATP

QUESTION 52 An organism is discovered that thrives in both the presence and absence of oxygen in the air. Curiously, the consumption of sugar increases as oxygen is removed from the organism's environment, even though the organism does not gain much weight. This organism O a. is photosynthetic O b. is a normal member of the animal kingdom O c. must utilize a molecule other than oxygen to accept electrons from the electron transport chain O d. only performs fermentation to make ATP

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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QUESTION 3 Differential stains function to O A. kill certain cells while allowing others to remain alive. O B. stain all cell types the same. O C. differentiate between bacteria and archaea. O D. highlight/distinguish differences between cell types and/or parts of a cell. O . Two of A - D are correct.
Question 12 The breakdown of large molecules by the enzymatic addition of water is an example of what kind of reaction? a. reduction O b. oxidation O c. hydrolysis O d. condensation O e. decarboxylation
Question 33 In anoxygenic photosynthesis, oxygen is made O neither used nor made O used O destroyed
what are TRH and TSH? Why are they referred to as tropoc hormones?
Question 25 Where does the electron transport chain occur in a bacterium? plasma membrane cell wall mitochondria ribosome endoplasmic reticulum Question 26 Enzymes function in speeding up reactions in a cell by raising the energy of activation
QUESTION 17 Match the name of each enzyme with its function or description. - Add water to a molecule without splitting it a. Oxidases and hydrogenases - v Digestive enzymes b. Carboxylases or decarboxylases c. Hydrases d. Phosphorylating enzymes e. Mutases or isomerases f. Hydrolases
Question 19 The best description of a prokaryote is that it is O a. typically a unicellular organism between 1 and 10 micrometers in size. O b. most commonly a eukaryotic organism between 1 and 10 micrometers in size. O c. generally found living and reproducing in isolation in inhospitable environments. O d. a set of unicellular organisms found living and growing in a common environment. O e. a unicellular organism between 1 and 2 millimeters in size.
QUESTION 19 Which enzyme (Enzyme 1, circle; Enzyme 2 square) has the worst affinity for the substrate? 5.0 4.0 EnzGraph 3.0 8 2.0 1.0 0.0 10 15 20 25 30 35 40 45 50 substrate (mM) Enz1 Enz2 A. Enzyme 1 (circles) B. Enzyme 2 (squares) C. cannot tell with information given D. both have the same affinity
Question 23 2 pts As it turns out, arsenic is a competitive inhibitor of pyruvate dehydrogenase. Suppose you add arsenic to human muscle tissue in a laboratory. What results would you expect to observe? I. Decreased ability of the tissue to relax after contraction II. Increased concentration of ADP in the mitochondrial matrix III. Increased concentration of lactic acid in the cytosol IV. Increased concentration of NADH and FADH2 in the mitochondrial matrix I, II, and IV II, III, IV I and II I and IV I, II, and III
Question 2 of 13 Fill in the blanks: Write C if only statement A is correct, H if only statement B is correct, E if both statements are correct, M if both statements are incorrect. A. The Michaelis-Menten plot shows that initially, the increase in the reaction velocity is relatively fast. B. Then after sometime, the change in the reaction velocity slows down and tapers off to a certain limit.
Question 4 Oxidation of pyruvate is completed in the Cytoplasm of mitochondrion with the presence of
QUESTION 1 If a reaction has a Delta G of 42: a. The reaction is energy requiring b The reaction is exergonic c. The reaction is endergonic d. The reaction is non-spontaneous e. The reaction is spontaneous QUESTION 2 Which if any, of the following are true of enzymes? a They are biologic catalysts