Practical l (Cell Structure and Function) Flashcards
What are the smallest unit of life?
Cells
Plasma Membrane
Holds the contents of the cell in place and regulates
what enters and leaves the cel
Cytoplasm
The fluid enclosed by the plasma membrane inside the cell
What is Cytology?
The Study of cellular structure and fucntion
What do we use to stain cells in cell membranes and nucleus?
Methylene Blue
What do we use to stain cells for starch?
Iodine
What is osmosis?
the process in which water molecules diffuse across a membrane until the concentration of water inside and outside is the same
Isotonic Solution
same concentration on both sides
Hypertonic Solution (crenate)
Concentration is higher outside and moves out
Hypotonic Solution (lysis)
Concentration is higher inside and it is moving in