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Lysine is being produced in a lab-scale reactor by a threonine auxotroph. After 2 weeks of operation it was observed that the concentration of lysine in the reactor was gradually decreasing. Microbiological assays of reactor samples showed absence of contamination and recorded data showed no change in the operating conditions. The most probable reason for decrease in lysine concentration may be attributed to
Choose the drugs which contain alkaloids derived from ornithine.
Consider the following statements with reference to Kant and select the correct option.
1. Kant rejects the notion that space and time are concepts which have been derived from our experience of relations between things.
2. Kant accepts the notion that space and time are concepts which have been derived from our experience of relations between things.
3. Kant rejects the notion that space and time are concepts which are not derived from our experience of relations between things.
If class A is derived from another derived class B which is derived from class C, which class will have maximum level of abstraction?
A class D can be derived from a class C, which is derived from a class B, which is derived from a class A
When a class is derived from another derived class, the newly derived class
Which of the following coca alkaloids is present in an endosperm?
Plant alkaloids are
Marine pyridoacridine alkaloids exhibit anti-HIV activity.
Iminoquinone system present in the alkaloids can be reduced by ________________