Class notes
lipids notes
- Institution
- University Of KwaZulu-Natal (UKZN)
Lecture notes of 3 pages for the course Bachelor Of Medicine And Surgery at UKZN
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Lipids1.what are lipids?
Lipids are organic macromolecules fats have a hydrophilic part and a
hydrophobic parts the hydrophilic part is water loving meaning it can interact
with water and the hydrophobic part is water fearing meaning it cannot
interact with water.
2. What are the main forms of lipids?
The main form of lipids are tricyclics rides
3. What are the properties of lipids?
properties of lipids are:
fats are solid at room temperature
oils are liquid at room temperature
lipids are energy stores
they are unable to dissolve in water
triacyl glycerides rides are the main forms of lipids
4. what are the functions of lipids?
The various functions of lipids
lipids store energy
lipids protect and insulate the internal organs in humans
lipids have a protective function because they make the cell membrane of
most cells
lipids transmit nerve impulses
they transport fat soluble vitamins and nutrients
lipids make humans feel taste in the mouth and able to detect different
flavors
5. what are two types of essential fatty acids?
there are two types of essential fatty acids they are known as omega-3 and
Omega 6
a deficiency in essential fatty acids causes dermatitis in infants
5.What is meant by saturated and unsaturated
fats
Saturated fats simply means that they do not have any trouble bonds
between their longest chain while unsaturated fats mean they have
doubled bonds between their longest chain
6. What is meant by hydrophilic and hydrophobic
hydrophilic means words are loving it means that whatever substance it is
it can interact with water while hydrophobic means water fearing it's
simply meaning whatever substance it is it does not interact with water
7. what are three types of lipids found in food
sterols
triglycerides
phospholipids
8. how do lipids act as a protector?
lipids acts as a protector because they form the cell membrane of many cells
acting as a barrier between what enters and what leaves the cell
9. what are six functions of lipids
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