Detection and response to environmental cues or stimuli are primarily functions of ____
a. metabolism
b. the nervous system
c. catabolism
d. the digestive system
e. thermodynamics
ANSWER: b
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A hypothetical “microbullet” shot through a
phospholipid bilayer would pass the components in which order? a. tail >>> tail >>> head >>> head b. head >>> tail >>> head >>> tail c. tail >>> head >>> head >>> tail d. head >>> tail >>> tail >>> head e. head >>> head >>> tail >>> tail
What is an example of hormones working together to maintain homeostasis?
What will be an ideal response?
How is your body able to work against the effects of entropy?
A) Regular exercise B) Eating a balanced diet and proper nourishment C) Regular work D) Sunbathing
Which of the following statements concerning osmosis is FALSE?
A) Osmosis requires a selectively permeable membrane. B) During osmosis, water crosses to the side of the membrane with a lower solute concentration. C) Cells placed in hypotonic solutions will gain water. D) Crenation results when blood cells are placed in a hypertonic solution. E) Osmosis stops when the system reaches equilibrium.