Water is the least dense when it ________.
A. is frozen
B. is just below boiling
C. is at room temperature
D. is just above freezing
Answer: A
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Which of the following pathogens does NOT require capsules or a slime layer for attachment?
A) Vibrio cholera B) Streptococcus pneumonia C) Bacillus anthracis D) All of these pathogens require capsules or slime layers for attachment.
Regarding infection, what is the problem with
cystic fibrosis?
a. bacteria are not captured properly to signal an immune response b. white blood cells are mutated and do not recognize foreign bacteria c. the mutated cystic fibrosis protein is not recognized by the immune system d. because multiple copies of the mutated protein are made, the immune system goes into hyperdrive e. more than one of these problems occurs
An artery is indicated by
a. A. b. B. c. C. d. D. e. E.
Which is not an output of fermentation?