Which of the following diseases could be prevented with proper sewage disposal and water purification?
A. Lyme disease
B. Cholera
C. Leptospirosis
D. Vibrio parahaemolyticus gastroenteritis
E. Vibrio vulnificus gastroenteritis
Answer: B
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Which part of the neuron is responsible for propagating action potentials?
A. axon B. dendrite C. soma D. myelin sheath E. nucleus
________ is to transcription as ________ are to translation.
A. RNA spliceosome; ribosomes B. RNA polymerase; ribosomes C. RNA polymerase; RNA spliceosomes D. DNA polymerase; RNA polymerase E. DNA polymerase; ribosomes
What is common to all of the oxidation reactions in the Krebs cycle?
A. They are all decarboxylation reactions. B. They all lead to substrate-level phosphorylation of ADP to generate ATP. C. They all lead to the generation of NADH. D. They are all characterized by a loss of electrons from an organic molecule coupled to the reduction of an electron acceptor.
Woese developed the three-domain system based on differences in organisms'
A. cell morphologies. B. rRNA sequences. C. Gram stain reactions. D. habitats.