Which of the following pairs of industrial microbial products and their uses is MISMATCHED?

A. streptokinase; dissolving blood clots
B. indigo; cloth dye
C. citric acid; antioxidant in food
D. gluconic acid; release of cellulose from flax to make linen
E. phenylalanine; the sweetener aspartame


Answer: D

Biology & Microbiology

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A male is heterozygous for the trait that produces freckles on the skin, and he has freckles. If he marries a woman who is also heterozygous for freckles, ________ of their children are predicted to be freckled. Also, of all their children, ________ are predicted to be heterozygous.

A. 100%; 100% B. 75%;50% C. 75%; 25% D. 100%; 75% E. 50%; 50%

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One application of modified flower parts has been the development of cultivated flowers from wild ones such as with:

A. petunias B. poinsettias C. apples D. roses E. oranges

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Pseudomonas is an enteric gram-negative rod.

a. true b. false

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Which cell structure physically moves the cell's chromosomes?

A) the mitotic spindle B) the cell wall C) the plasma membrane D) the contractile ring

Biology & Microbiology