Mengel and Kirkby  have proposed that the essential elements be classified instead according to their biochemical role and physiological function, It shows such a classification, in which plant nutrients have been divided into some basic groups these are;

a.) The first group is nutrients that are part of carbon compounds

b.) The second group is important in energy storage reactions or in maintaining structural integrity

c.) The third group has important roles in reactions involving electron transfer or redox reaction

d.) The fourth group is present in plant tissue as either free ions or ions bound 

Which one of the following group represents CORRECT statements

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#Question id: 10957

#Unit 7. System Physiology – Animal

Which of the following would most likely be used for prophylaxis of transient ischemic heart attack?

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#Question id: 5952

#General Aptitude

If a 4-digit year is chosen randomly, what is the probability that it is a leap year? 

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#Question id: 28618

#Unit 2. Cellular Organization

Phosphoserine/threonine-binding F-box protein is Skp2, binds to target proteins only when they are phosphorylated by using which of the following repeated series?

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#Question id: 26462

#Unit 3. Fundamental Processes

Mutations in the -35 sequence can affect initial binding of

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#Question id: 6603

#General Aptitude

7B	5C	6B
3C	9B	19A
15A	17A	?