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Homeostasis
Test Description: Keystone Prep, Module 1, Anchor 4
Instructions: Answer all questions to get your test result.
1) aids in homeostasis by providing the main transport mechanism for proteins withing the cell
A
nucleus
B
cell membrane
C
golgi apparatus
D
endoplasmic reticulum
2) The secretion of hormones is an example of a homeostatic feedback loop. The basic function of a feedback loop is to
A
destroy substances
B
end a process
C
create substances
D
regulate a process
3) how does homeostasis aid in survival of an organism
A
helps locate food
B
regulates body temperature
C
induces hibernation
D
promotes growth
4) helps maintain cellular homeostasis by modifying, sorting, and packaging proteins to transport
A
endoplasmic reticulum
B
cell membrane
C
nucleus
D
golgi apparatus
5) Cells can function
A
at any temperature and pH
B
in a wide range of temperatures and pHs
C
in rapidly changing temperatures and pHs
D
only in a narrow range of temperatures and pHs
6) All cells have a protective barrier that is formed of proteins and a lipid bilayer called the
A
cell membrane
B
nuclear envelope
C
cell wall
D
cytoplasm
7) The human respiratory system helps maintain homeostasis by
A
removing solid wastes
B
regulating oxgen levels
C
transporting oxygen to other organ systems
D
regulating hormone levels
8) Homeostasis is classified under which of the following?
A
cell regulation
B
transcription
C
photosynthesis
D
cell respiration
9) Homeostasis maintains a relatively constant internal environment. This constant state can be challenged by
A
extreme temperature
B
all of these
C
elevated blood pH
D
low blood sugar levels
10) Which is NOT a homeostatic mechanism?
A
thermoregulation
B
hormonal regulation
C
oxygen regulation
D
water regulation
*select an answer for all questions
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