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Which of the following component is used to make shells, bones, and teeth by animals?

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in Biology – Class 12 by (271k points)
Which of the following component is used to make shells, bones, and teeth by animals?

(a) Phosphorous

(b) Sodium

(c) Gallium

(d) Argon

This question was posed to me in final exam.

This is a very interesting question from Ecosystem in division Ecosystem of Biology – Class 12

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The correct option is (a) Phosphorous

The explanation is: The phosphorous is one of the following is a major constituent of nucleic acids, biological membranes, and cellular energy transfer systems. It is also used to make shells, bones, and teeth by animals.

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