Chapter 7: Diversity of Cells Flashcards
Where is tissue cultures used
In cancer research, in skin grafting, in vaccine production
In vitro
In growth, in this case the growth of cells in glass
A bio-reactor
A vessel (usually large) in which cells, organisms or enzymes are placed to manufacture specific products
Organ
A group of tissues joined together to carry out a specialised function
Examples of animal organs
The heart pumps blood around the body
Lungs bring oxygen into the body for respiration and get rid of carbon dioxide
Kidneys filter the blood
Examples of plant organs
The root
The stem
The leaves
The flower
Tissue cultures
Involves growing tissue and/or cells outside of the organism
Function of the roots
Absorbs water and minerals
Anchors the plant in the ground
Acts as food storage
Function of the stem
Keeps the aerial parts supported for photosynthesis
Transports substances up and down the plant
Function of the leaf
Transpiration
Losing water from the foliage and in photosynthesis
The function of the flower
Sexual production by the production of gametes
Seed formation
Fruit formation
Organ systems
A group of organs that work together to carry out a linked function