The Cell Membrane
These small molecules make up the bilayer in a cell membrane.
What is the phospholipid bilayer?
The movement of molecules from and area of high concentration to low concentration.
What is Diffusion
The diffusion of water across a semiperimeable membrane.
What is Osmosis?
TRUE or FALSE: All cells come frome pre-existing cells.
TRUE!
This part of the cell controls what substances enter or leave the cell.
What is the cell membrane?
This type of protein helps transport large materials across the cell membrane.
What is an integral protein?
The movement of a substance against its concentration gradient, from an area of low concentration to high concentration.
What is Active Transport?
A cell has a low concentration of solute outside of the cell compared to the inside of the cell is in this type of solution.
What is hypotonic?
This scientist was the first to use the term "cell" after observing cork under his microscope.
Who is Robert Hooke?
This is the region of the phospholipid that is attracted to water.
What are the phosphate heads?
Movement into a cell by means of a vesicle.
What is endocytosis?
A cell is in this type of solution if it has a 90% salt concentration in its exterior environment and 10% salt in its interior.
What is Hypertonic?
This is the basic unit of structure, function and organization in living things.
What is a cell?
The name for generic cells that are able to develop into many different cell types.
What are stem cells?
The cell membrane functions to support and protect the cell, communicate with other cells and...
What is controls what enters and leaves the cell?
The type of solution that allows animal cells to maintain homeostasis.
What is an isotonic solution?
Multicellular organisms are an example of this type of cell.
What is a eukaryotic cell?
The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.
What is selective permeability?
The cell membrane is described as this, is flexible and made up of many components.
What is a fluid mosaic?
Transport of molecules into and out of a cell help it maintain this, a stable internal environment.
What is homeostasis?
When a cell is placed in a hypertonic solution, water will move in this direction.
What is out of the cell?
Name 3 differences between prokaryotic and eukaryotic cells.
TEACHER DISCRETION, many answers!
This is the process by which a stem cell develops into a specialized cell type, such as a muscle or nerve cell.
What is differentiation?