In addition to the ten dietary essential amino acids required by mammals, birds also require prolamin and glycine.

Question

BlackTom AI · Accepted Answer

This true/false statement requires checking two parts: the concept of essential amino acids in birds and the meaning of prolamin.
First, the phrase 'ten dietary essential amino acids required by mammals' is a reference to amino acids that mammals must obtain from their diet. However, birds have a somewhat different essential amino acid list, and they do not require 'prolamin' as an amino acid.
Second, 'prolamin' is not an amino acid at all; it is a class of plant storage proteins rich in proline and glutamine. Calling prolamin an amino acid is a category error, which makes the statement biologically inaccurate.
Third, glycine is a nonessential or conditionally essential amino acid in many species, meaning mammals and many birds can synthesize it and do not require it in the diet under normal conditions. Saying birds require glycine as an essential amino acid would be incorrect unless specifying a particular constraint or developmental stage, which is not indicated here.
Fourth, even if one attempts to list essential amino acids for birds, the assertion would still fail because it incorrectly adds 'prolamin' as an amino acid and treats glycine as essential. The core mistake is conflating a protein class (prolamin) with an amino acid and misclassifying glycine's essentiality.
In summary, the statement is false because: (1) prolamin is not an amino acid but a protein category, (2) glycine is not universally an essential amino acid for birds, and (3) the premise about birds requiring an extra set beyond the mammalian ten essential amino acids is not supported by standard avian nutrition knowledge.

ANSC 1403 (001) Exam 3

In addition to the ten dietary essential amino acids required by mammals, birds also require prolamin and glycine.

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ANSC 1403 (001) Exam 3

In addition to the ten dietary essential amino acids required by mammals, birds also require prolamin and glycine.

View Explanation

Log in for full answers

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