Branches of a bronchus are known as ____
a. larynx
b. bronchi
c. bronchioles
d. trachea
e. pharynx
ANSWER: c
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Which one of the following is TRUE regarding cellular respiration?
A) begins with the electron transport system B) requires the presence of oxygen C) results in the complete breakdown of ATP D) produces carbon dioxide and oxygen E) results in the synthesis of large sugar molecules
The higher the proportion of water in an organ, the (higher/lower) the concentration of alcohol.
What will be an ideal response?
Cyanobacteria are best described as ________.
A. all being obligate chemoheterotrophs B. all being obligate photolithoautotrophs C. some being photolithoautotrophs that can function as chemoheterotrophs in the dark D. None of the choices are correct.
Molecular evolution refers to which of the following?
A. accumulation of different mutations in different populations B. mutation of biological molecules over time C. shared mutations in different populations D. evolution of biological molecules from nonbiological molecules