Cell Transport
What is simple diffusion?
The movement of particles from a high concentration to a low concentration
What is the function of the mitochondria?
Powerhouse of the cell, provides energy
What is the head of the phospholipid characterized as? (the balloon)
Hydrophilic
This type of cell has no nucleus
Prokaryotic Cells
What macromolecule is made of Carbon, Hydrogen, Oxygen, and Nitrogen?
Proteins
What is a cell at when it is in an isotonic solution?
The cell is at equilibrium
What is the function of the nucleus?
It stores and transmits hereditary information?
What are the tails of the phospholipids characterized as? (the string)
Hydrophobic
Eukaryotic Cells
What is the difference between cohesion and adhesion?
Cohesion is when two water molecules stick together. Adhesion is when a water molecule and a different substance stick together.
What are the two differences between passive and active transport?
Passive requires no energy and goes high -> low.
Active requires energy and goes low -> high.
What is the role of the lysosome?
What is the function of proteins in the membrane?
They aid in transporting materials across the membrane.
Cell wall, chloroplast, central vacuole
What is the difference between a theory and a law?
Theories explain and laws describe
If a cell is shrinking, what type of solution is it in?
Hypertonic
How do you differentiate between the rough and smooth ER?
What type of molecules do need help getting in/out of the cell membrane?
Bonus for Water-soluble molecules
What type of cell is an amoeba an example of?
Eukaryotic cell
What do enzymes do and how?
Enzymes speed up chemical reactions by lowering activation energy
If a cell that has a concentration of 75% H2O and 25% salt is placed in a solution of 90% H2O and 10% salt, what direction will water move and what type of solution is it?
Water will move into the cell and it is a hypotonic solution
What is the role of the cell membrane?
What is the role of cholesterol in the cell membrane?
It provides structure and flexibility?
What structures are in both prokaryotic and eukaryotic cells?
Cell membrane, ribosomes, cytoplasm
What happens to an enzyme if it is not in its optimal pH or temperature?
It will denature