In USindustry,the Proportion of Purchased Materials in the Overall Cost of of Goods

question 153

Multiple Choice

In U.S.industry,the proportion of purchased materials in the overall cost of goods sold has been rising for several decades,to a level of ________ percent today.

• A) 25
• B) 40
• C) 45 to 60
• D) 55 to 80
• E) over 80

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Definitions:

Hydroxyl Group

A functional group consisting of an oxygen atom bonded to a hydrogen atom (-OH), which is found in alcohols and many other organic molecules.

Ribose

The 5-carbon sugar present in RNA and in important nucleoside triphosphates such as ATP.

Leader Sequences

Short sequences of amino acids at the beginning of the synthesis of a protein that signal where in the cell it should be localized.

Ribosomes

Cellular structures responsible for protein synthesis, found in both eukaryotic and prokaryotic cells.