The amount of food and drink consumed by a person from day to day is their
A. diet.
B. food volume.
C. nutritional status.
D. minimal nutrients.
A. diet.
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Beadle and Tatum discovered that metabolic pathways are studied most effectively using which of the following techniques?
A) creating multiple gene mutations resulting in nonfunctional enzymes specific to a metabolic pathway B) adding intermediates to a metabolic pathway C) removing all intermediates of a metabolic pathway D) creating single gene mutations resulting in nonfunctional enzymes specific to a metabolic pathway
Mutation of the A group gene in Arabidopsis
thaliana affects development in its flower’s a. first whorl only. b. second whorl only. c. third whorl only. d. first and second whorls. e. second and third whorls.
What are rhizomes, tubers, corms, and stolons examples of?
a. modified leaves b. modified stems c. modified bulbs d. modified flowers
Phosphofructokinase is an important control enzyme in the regulation of cellular respiration. Which of the following statements concerning phosphofructokinase is not true?
A) It is activated by AMP (derived from ADP). B) It is inhibited by ATP. C) It is activated by citrate, an intermediate of the citric acid cycle. D) It specifically catalyzes the conversion of fructose-6-phosphate to fructose-1,6-bisphosphate, an early step of glycolysis. E) It is an allosteric enzyme.