In the reaction catalyzed by aconitase, the conversion of citrate to isocitrate is inhibited by fluoroacetate. Fluoroacetate is used as a pesticide. Why is this an effective pesticide?
A. It inhibits the Krebs cycle.
B. It inhibits pyruvate oxidation.
C. It inhibits glycolysis.
D. It inhibits ATP synthase.
E. It inhibits the electron transport chain.
Answer: A
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________ and ________ can be used to prevent influenza A infections, reducing the incidence of influenza by 50 to 70% in an exposed population.
What will be an ideal response?
If you were to replace the phosphate group of a phospholipid with a fatty acid chain, you would have
A. glycerol. B. a triglyceride. C. cholesterol. D. glycolipid.
A survey reveals that 25 percent of a population of 1,000 individuals have attached earlobes (are homozygous recessive for the trait). For the following questions, assume that the population fits the parameters of the Hardy-Weinburg law. What is the frequency of the recessive allele?
a. ?0.75 b. 0.75 c. ?0.50 d. ?0.25 e. 0.25
Smallpox is in its MOST contagious phase when:
A) a rash develops. B) blisters begin to form. C) the patient becomes febrile. D) a headache and body aches develop.