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In which one of the following nitrogen is not a constituent? |
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a) |
Invertase |
b) |
Pepsin |
c) |
Idioblast |
d) |
Bacteriochlorophyll |
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In which one of the following nitrogen is not a constituent? |
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|
a) |
Invertase |
b) |
Pepsin |
c) |
Idioblast |
d) |
Bacteriochlorophyll |
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(c) Idioblast seems to the most appropriate choice. Invertaseand pepsin are enzyme proteins (contain nitrogen) and bacteriochlorophyll also contains nitrogen. Idioblasts are cells having crystals of calcium oxalate, called raphides. |