Question

41. An enzyme-substrate complex forms when substrate binds to an enzyme at the enzyme's site. 42. An inorganic ion such as zinc or manganese that is needed for an enzyme to function is acting as a 43. Competitive inhibition of enzymes occurs when: site A) catalytic B) allosterie C) operative B) cofactor C) apoenzyme D) holoenzyme A) coenzyme A) the inhibitor binds to the active site of the enzyme B) the inhibitor binds to the allosteric site of the enzyme C) the inhibitor changes the shape of the enzyme D) the inhibitor is acted upon by the enzyme 44. A holoenzyme consists of A) a/n apoenzyme plus a cofactor- B) a/n apoenzyme plus a coenzymo-- C) a/n protein and non-protein component D) all of the above 45. Factors that affect the rate of enzyme catalyzed reactions include: A) temperature B)pH C) concentration of enzyme D) all of the above 46. The electrons transferred from acetyl groups in the Krebs cycle are transferred to: A) NAD only C) NAD and FAD equally B) FAD only D) NAD and FAD unequally 47. In the electron transport chain, the energy to make ATP comes directly from: 48. Anaerobic respiration would be indicated by which of the following final electron acceptors? 49. In prokaryotic organisms, the electron transport chain can be found in the: 50. Pyruvic acid is metabolized in the absence of oxygen during the process of: $1. Bacterial endospores are reproductive structures. 52) Which of the following is not a common bacterial shape? 53) Which of the following cellular structures are found only in prokaryotic cells? 54) Which one of the following pairs is mismatched? AFAD B) NAD C)both FAD and NAD D) neither FAD nor NAD ingfnD A) oxygen B) pyruvic acid C) Lipid D) glucose A) cell wall B) cell membrane C) cytoplasm D) mitochondria A) Krebs Cycle B) fermentation C) oxidation D) reduction A) True B) False a) Spirochete b) Coccus c) Disc d) Bacillus a) endoplasmic reticulum b) pili c) nucleolus d) lysosomes a) Alcohol- Fermentation c) Carbon dioxide - Glycolysis b) Pyruvate-Glycolysis d) Oxaloacetic acid - Krebs cycle

Answer 1

41)a

42)b

43)a

44)a

45)d

46)a

47)c

48)d

49)b

50)b

51)a

52)a

53)a

54)No one is mismatched