Organelles and Cells
Cell Theory
Moving across membranes
Membrane Structure
Mystery Category
100
This organelle controls what enters or leaves the cell
cell membrane
100
_________ are the basic unit of structure and function of all living things
[Hint: The answer rhymes with the second word in Jingle Bells]
Cells
100
Define Diffusion
Movement of PARTICLES from high concentration to low concentration
100
Most of the membrane is made out of _______________; a molecule that is both hydrophobic and hydrophilic.
What are PHOSPHOLIPIDS?
100
Give ONE reason why some of the particles were able to diffuse across the dialysis tubing membrane.
Particles moved from high to low concentration.
Particles were small enough to diffuse.
200
What type of cell is this? (animal or plant)
Animal Cell
200
All ____________things are made of cells
Living
200
Diffusion of water is called?
Osmosis
200
How many layers of phospholipids form the plasma membrane?
What is TWO
200
What is the main job of the plasma membrane?
What is controls what enters and exits the cell
300
What type of cell is this? (animal or plant)
Plant cell
300
Cells only arise from ____________ cells
What is pre-existing cells?
300
When the cell needs to use energy to move things across the membrane
Active transport
300
What does "semi-permeable" or "selectively permeable" mean?
What is only lets some things through?
300
Food coloring diffusing in water is which type of transport?
Passive Transport
400
What is the function of the mitochondria
Generates energy (ATP)
400
What is the following :
1. All living things are composed of cells (or cell products)
2. The cell is the smallest unit of life
3. Cells only arise from pre-existing cells
What is the cell theory?
400
Movement across the membrane that does not need energy, but does need help from transport proteins
Facilitated diffusion
400
How does the cell membrane control the cell composition?
what is the cell membrane controls what enters and leaves the cell?
400
The process during development whereby newly formed cells become more specialized and distinct from one another
what is the process of a cell differentiation?
500
Why is cell specialization important for multicellular organisms?
What is they allow for specialized roles and specific cells?
500
Which of the following is NOT a premise of cell theory?
I. All cells arise from other cells.
II. All living cells require water for survival.
III. All living things are only composed of cells.
What is II?
500
Which way will the water molecules diffuse? (right or left)
To the right
500
Come to the board and draw one phospholipid. Label which part is nonpolar, polar, hydrophobic, and hydrophilic.
What is 
500
Given the following experimental set-up, in which direction will there be a net movement of water?
What is water will diffuse out of the cells?