They are macromolecular biological catalysts.
They increase reaction rates, Reduce activation energy of the reaction , Enzymes are unchanged after reaction and are under cellular control. They are highly specific
Enzymes are easily ………………by changes of …………..and……………..
x
Sodium, Potassium and hydrogen existing in the body unbound to another element they are……….?
Cations
What is the organ Level of organisation
Different types of tissues joined together. Composed of two or more types of tissue. They have specific functions. Normally recognizable shape. e.g liver, lungs, heart etc
Osmosis
The movement of water from a high concentration solution to a lower concentration solution.
What are the different types of transport mechanisms
Simple diffusion
Osmosis
Facilitated diffusion
Active transport
Endo/Exocytosis
endo and exo cytosis
vesicles carrying particles carry to cell membrane wall and pushes it out in exocytosos and vesicles form a bubble around particles and carry them into a cell for endocytosis
Epithelial Tissue
Covers body surfaces, lines hollow organs, and cavities,
forms glands
Squamous
• Simple
• Cuboidal
• Columnar
Ribosomes are made from two sub units but where are they made?
In the neucleolus
The …………….. of the cell is the main site for production of ATP by the process of ……………..
