Biomagnification occurs mainly because of the following reasons

I. compounds are taken up from the environment and accumulated in the lipid deposits of body

II. organisms are consumed by other organisms in a non- sequential manner constituting the food chain

Which of the above statements are incorrect?

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#Question id: 8931

#XL - R Botany

A researcher is trying to construct a molecular-based phylogeny of the entire animal kingdom. Assuming that none of the following genes is absolutely conserved, which of the following would be the best choice on which to base the phylogeny?

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#Question id: 4935

#XL - S Microbiology

Which gas was least abundant in Earthʹs early atmosphere, prior to 2 billion years ago?

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#Question id: 683

#XL - Q Biochemistry

Which factor does not help to explain why many proteins exhibit quaternary structure?

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#Question id: 1090

#XL - Q Biochemistry

Binding of a signaling molecule to which type of receptor leads directly to a change in the distribution of ions on opposite sides of the membrane?

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#Question id: 1114

#XL - Q Biochemistry

Sutherland discovered that the signaling molecule epinephrine is responsible for which of the following events?