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Mdcat-past-papers - BUMHS - Biology Quiz

Filters: Board: BUMHS | Subject: Biology |
41. Which one is an example of a nucleotide:



42. Which one of the following is found in both messenger RNA and DNA of a mammalian cell?



43. Which of the following are cell surface markers?



44. Non protein part required for proper and essential functioning of enzyme is called:



45. Enzymes are generally inactivated rapidly by exposure to UV high and also Alpha and beta rays because it alters the:



46. Each enzyme has a dimple or groove at a specific side called:



47. Which statement about enzymes molecules is essential to the lock & key hypothesis?



48. Non protein but inorganic detachable σ-factor is called:



49. Most of the coenzymes are the derivatives of:



50. The coenzyme NAD is made up of:



51. Koshland gave induced fit model in:



52. Which of the following enzyme dose not need co-factor?



53. Optimum pH for the working of pancreatic lipase is:



54. Most enzymes have an optimum temperature of around



55. The temperature that promote the maximum activity of enzyme is referred as :



56. The enzyme which can work on pH 7 of the medium is?



57. Which of the following statement is incorrect regarding state of enzymatic action:



58. Adding more substrates will NOT make a difference to the enzyme catalyzed reaction:



59. The type of inhibition in which inhibitor has no structural similarity to substrate and combines with enzyme at site other than active site is called:



60. The inhibitors that binds tightly and permanently to enzymes and destroy their globular structure and catalytic activity are:



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