Industrial fermentation and fermentation in food production
A. are both processes in which sugars are oxidized to alcohols or acids.
B. are processes in which sugar or protein is oxidized to produce alcohols or acids.
C. use entirely different microorganisms.
D. use entirely different starting material.
E. make use of the same microorganisms.
Answer: D
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It's your birthday and you splurge with a big slice of chocolate cake, heavy on the icing. Shortly afterwards, your blood glucose levels rise until an endocrine mechanism (secretion of insulin) counteracts this rise and glucose levels decline. The initial change in blood glucose and insulin response that follows is an example of
A. physiological constancy. B. diffusion. C. homeostasis. D. positive feedback. E. lack of homeostasis.
A condition in which wheezing occurs with breathlessness and a persistent cough, and yields yellowish or greenish phlegm is
A) asthma. B) bronchitis. C) lung cancer. D) lupus. E) anemia.
Active transport is transport
a. in an energetically unfavorable direction always driven by hydrolysis of ATP. b. in an energetically unfavorable direction always coupled to another reaction or source of energy. c. in an energetically unfavorable direction driven only by the flow of another molecule across a membrane. d. in an energetically favorable direction coupled to the hydrolysis of ATP.
Males that tend to be taller than average and show mild mental impairment may have
A. XXY chromosomes. B. XYY chromosomes. C. Turner syndrome. D. Down syndrome. E. Klinefelter syndrome.