Chapter 2- Structure & Function Of Cells Flashcards
Each living cell is a like a what?
Small compartment
A cell has an outer boundary called what?
The cell membrane or cell wall (depends on the cell)
What is the liquid called inside the cell?
The cytosol
What does the cytosol consist of?
It consists mainly of water and many dissolved substances
DNA controls what activities of the cell
The metabolic activities of the cell (metabolic activity -any chemical reaction in the cell)
Prokaryotic cells lack
Membrane Bound organelles, eg nucleus
What type of cells belong to this group?
Barrier and archeans
Eukaryotic cells contain ?
Membrane bound organelles attached to the cytosol
Eukaryotes include all ?
Plant, fungi, animals and protist cells.
The plasma membrane is boundary of all living cells, it controls entry of what?
Dissolved substances into and out of the cell
What makes up the membrane?
A lipid bilayer of protein and fat
All cells must be able to take in and expel various substances across their membranes in order to?
Survive, grow and reproduce
A membrane is described as?
Semi permeable
What is diffusion?
The net movement of substance from an area of high to low concentration
Does the diffusion require an input of energy?
Nope, it is passive