Two patients developed endophthalmitis within 24 hours after corneal transplant surgery. Streptococcus pneumoniae was isolated from conjunctival swabs of the affected eyes of both patients and from the supply of packing that was used to cover the eyes after surgery. This is an example of __________.
A) vehicle transmission
B) contact transmission
C) a nosocomial infection
D) airborne transmission
Answer: C) a nosocomial infection
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Particles suspended in the sea are called:
a. seston. b. tripton. c. bacterioplankton. d. viriplankton. e. nekton.
What evidence is there that choanoflagellates were the ancestors to animals? What will be an ideal response?
Which of the following statements regarding glycolysis is false?
A) Glycolysis is considered to be an ancient metabolic process because it does not require oxygen. B) Glycolysis is considered to be an ancient metabolic process because it is not located in a membrane-bound organelle. C) Glycolysis is considered to be an ancient metabolic system because it occurs universally. D) Glycolysis is considered to be an ancient metabolic system because it is the most efficient metabolic pathway for ATP synthesis.
One of two of a ribosome's binding sites for tRNA during translation; The A site holds the tRNA that carries the next amino acid in the polypeptide chain (A stands for aminoacyl tRNA)
What will be an ideal response?