Egg ovalbumin and milk casein are the examples of _______ proteins.
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Structural proteins
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Motor proteins
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Signalling proteins
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Storage proteins
D
Correct answer
Explanation
These proteins contain energy, which can be released during metabolism processes in the organism. Egg ovalbumin and milk casein are such proteins. Almost all proteins can be digested and used as a source of energy and building material by other organisms.