The polymerase used in PCR reactions is derived from the thermophile organism Thermus aquaticus
Indicate whether the statement is true or false
TRUE
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Escherichia coli uses mixed acid fermentation pathways that depend on which of the following enzymes?
A. Ammonia monooxygenase B. Formate dehydrogenase C. Pyruvate formate-lyase D. C-type cytochrome
The nuclear lamina is
A) the sac that holds the genetic material. B) part of the nucleus that holds RNA. C) a fibrous layer that lines the inner face of the nuclear membrane. D) the site of protein synthesis.
Select the following phylum that includes protostome animals that are segmented, bilaterally symmetric, and have a chitinous exoskeleton.
A. Platyhelminthes B. Annelida C. Mollusca D. Arthropoda E. Brachiopoda
The membranes that protect the brain and spinal cord are called
a) gray matter. b) cerebrospinal membranes. c) epithelium. d) meninges. e) ventricles.