Which component of the lower respiratory tract is incorrectly matched with a function or description?
A) alveoli: site of gas exchange
B) lungs: contain the alveolar sacs
C) bronchi: direct air to the lungs
D) bronchioles: have ciliated mucous membranes
E) larynx: contains the mucociliary escalator
Answer: E
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Which of the following is NOT true about the
hormone, HCG?
a. it is secreted by the amnion b. it encourages menstruation c. it causes the degeneration of the corpus luteum d. it can be detected beginning the third day e. all of these are not true about the hormone,
A homozygous milk chocolate Easter bunny is crossed with a homozygous dark chocolate Easter bunny
Assuming dark chocolate is dominant over milk chocolate and the traits segregate according to Mendelian genetics, which traits will the offspring express? A) 3 dark to 1 milk B) 3 milk to 1 dark C) All milk D) All dark
The exchange of gases between the lungs and the blood occurs by the process of
Select one: a. diffusion. b. osmosis. c. filtration. d. active transport. e. ionic bonding.
In conifers, the megasporocyte undergoes meiosis to produce four daughter cells. How many of these survive to develop into gametophyte(s)?
a. two b. three c. one d. four