"P" is the chemical symbol for

A. nickel.
B. potassium.
C. plutonium.
D. phosphorus.
E. copper.


Ans: D. phosphorus.

Biology & Microbiology

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Which of the following organisms would NOT be classified in the Domain Eukarya?

A. Canis lupis (wolf). B. Loxodonta cyclotis (forest elephant). C. Salmonella enterica (bacteria that causes food poisoning). D. Aleuria aurantia (ascomycete fungi). E. Sequoiadendron giganteum (Giant Sequoia tree).

Biology & Microbiology

What is the correct sequence of structures through which air passes through on the way into the mammalian lung?

A. larynx ? pharynx ? trachea ? bronchi ? bronchioles ? alveoli B. alveoli ? bronchioles ? bronchi ? trachea ? larynx ? pharynx C. pharynx ? larynx ? trachea ? bronchi ? bronchioles ? alveoli D. pharynx ? trachea ? larynx ? bronchi ? bronchioles ?alveoli E. bronchi ? bronchioles ? pharynx ? larynx ? trachea ? alveoli

Biology & Microbiology

Streptococcus pyogenes causes all of the following infections except ________.

A. necrotizing fasciitis B. scalded skin syndrome C. impetigo D. erysipelas E. scarlet fever

Biology & Microbiology

The single characteristic that all animals have that other organisms don't is that they:

A) undergo a blastula stage in development. B) are single celled. C) possess the ability to change location. D) are terrestrial. E) possess sensory systems.

Biology & Microbiology