Select the best response to the question
?Which of the following statements describes the "Golden Age of Microbiology?"
A) Most agents of bacterial disease were identified and cultivated.
B) Jenner developed the smallpox vaccine.
C) Leeuwenhoek developed the microscope.
D) Aseptic techniques such as hand washing were first promoted.
A
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What is the name of the enzyme that fits new complementary DNA nucleotides into the new strand?
A. DNA telomerase B. DNA helicase C. DNA polymerase D. DNA ligase
The commercially important unicellular protists that are used in filters, polishes, and other industrial
processes are the:a. dinoflagellates. b. euglenoids. c. apicomplexans. d. zooflagellates. e. diatoms.
Density-independent factors:a
influence population size and are in turn influenced by changes in population density. b. may be the result of intense interspecific competition. c. are typically abiotic. d. may include parasites. e. may include diseases.
In cells, RNAs that can act like enzymes are called __________.
A. microRNAs B. peroxisomes C. ribozymes D. lysosomes