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WorksheetsModule 6 Homeostasis
Total questions: 11
Worksheet time: 6mins
Which of the following is not an example of our bodies maintaining homeostasis?
Shivering when we're cold
Our pancreas producing insulin when our sugar is low
Our kidneys helping us keep a balance of water levels
Goosebumps when we're cold or scared
pH is the measure of....
temperature
molecules present
free hydrogen ions
chemical reactions
Which is an example of an item with a basic pH?
lemon juice
blood
battery acid
bleach
Diffusion is .....
Passive Transport of water molecules
Passive Transport of any molecule
Active Transport of water molecules
Active Transport of any molecule
Active transport ...
includes osmosis
Doesn't require energy/ATP
requires energy/ATP
includes diffusion
Passive Transport...
moves against the concentration gradient
moves with the concentration gradient
uses a sodium or potassium pump to move molecules
moves molecules with ATP
Passive Transport...
goes from low to high concentration
goes from high to low concentration
moves against the concentration gradient
keeps an equilibrium
Buffers help ....
lower pH
increase pH
maintain a stable pH
speed up chemical reactions
A saltwater cell has 60% solutes. It is placed in a saltwater aquarium that has 40% salt. What will happen to the cell? It will be....
hypertonic
isotonic
hypotonic
homeostasis
What is the job of the cellular membrane?
protect the cell
controls what enters and exits the cell
storage
moving water molecules
A large molecule can not go through the cell membrane without help from the cell. The cell uses ATP to bring in the large molecule.
Describe this sentence.
Homeostasis
Active Transport
Passive Transport
Enzyme Activity
