Q. Read the following statements below.
I. All the carbon compounds that we get from living tissues can be called 'biomolecules'.
II. The ash formed after burning a tissue contains inorganic and organic substances.
III. Beta amino acids are used by the cells to form proteins.
Identify the true and false statements.

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Solution:

After burning a living tissue, the ash contains only inorganic substances as the organic substances are easily burnt and destroyed. Alpha amino acids are used by the cells to form proteins. They are called alpha amino acids, as amino and carboxyl groups are present on the same carbon called alpha carbon.