Which of the following directly cause the
brain’s “thermostat” to raise the body’s
internal temperature set point?
a. cytokines
b. histamines
c. prostaglandins
d. histamines and prostaglandins
e. complement proteins
C
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Four of the five answers are characteristics of diatoms. Select the exception
a. two-part silica shells b. photosynthetic c. some produce a toxin that accumulates in fish, crabs, and shellfish d. flagella e. live in lakes, seas, and damp soils
Which of the following mammals is NOT an
anthropoid?
a. orangutan b. lemur c. spider monkey d. gorilla e. human
Vessel elements and tracheids develop via the process of programmed cell death, also called
apoptosis. ____________________ Indicate whether the statement is true or false.
If a plant were grown in a nutrient solution containing all known essential elements except one, this
would be an example of: a. agriculture. b. mutualism. c. weathering. d. hydroponics. e. salinization.