Tonicity
Cell transport
Homeostasis
Cell Cycle
Cell Cycle Checkpoints
100
In a solution, what is the solute?
The thing that is dissolved
100
Movement down a concentration gradient is called
Passive transport
100
The process by which biological systems maintain a stable, relatively constant internal environment despite changing external conditions is called what?
Homeostasis
100
Where does a cell spend 90% of it's time
Interphase
100
What is uncontrolled growth called
Cancer
200
When a cell has a higher concentration of solute than the surrounding solution, the solution is called what?
Hypotonic
200
What is the name for the movement of water?
Osmosis
200
Is this an example of positive or negative feedback:
A baby suckling at the breast stimulates sensory receptors, which cause the release of oxytocin, causing further milk ejection and signaling continued milk production.
Positive
200
What happens in S phase?
The DNA replicates
200
What does the checkpoint at the end of G1 check for?
Proper cell growth
300
Hypertonic
300
Large or charged molecules are unable to cross directly through the cell membrane and instead use channel proteins. This type of cell transport is called what?
Facilitated diffusion
300
Is this a positive or negative feedback example: 
Negative
300
What is this phase called?
Metaphase
300
If cells are in bad condition, where will they enter to stop dividing?
G0
400
Water will leave the cell and the cell will shrink
400
Active transport uses what molecule?
ATP
400
Describe gravitropism
Movement in response to gravity
400
What phase is this?
Anaphase
400
What is apoptosis?
Programmed cell death
500
How is the cell membrane arranged and why
Phospholipid bilayer with the hydrophilic heads facing out to interact with the water both inside of and outside of the cell
500
Utilizing a vesicle to move particles out of a cell is called
Exocytosis
500
What part of a plant displays negative gravitropism
The shoots
500
What is the difference between cytokinesis in plant cells and in animal cells?
Plant cells: cell plate forms
Animal cells: have a cleavage furrow where cells pinch in to split
500
What is checked in the M phase
That spindles are attached to the chromatids