Biological molecules pt.3 Flashcards
This one focuses on lipids and fats topic
What are lipids ?
Lipids are made up of carbon, hydrogen and oxygen atoms
Lipids can store ___ the amount of energy compared with carbohydrates and
proteins
twice
___g of fat releases ___ kcal of energy
1g, 9 kcal
Hydrophobic is..
soluble in non-polar solvents and water hating
What are 4 different types of lipids?
Triglycerides, sterol, Phospholipid, waxes
Lipids are insoluble or soluble in water and aqueous solutions?
insoluble
ignore
Triglyerides, sterol, phospholipid
How are triglycerides made?
Triglyerides are made by linking one glycerol and 3 fatty acid together
Saturated fat is made up of..
fatty acids with only
single bonds
Unsaturated fat is made
up of
fatty acids with
double bonds between
carbon atoms.
The degree of saturation
in a fat affects its…
physical and health
properties.
What are the two types of unsaturated fats?
Cis and Trans
Which is good and which is bad? Saturated fats and unsaturated fats.
Unsat - good, sat is bad
Cis is what
Hydrogen on the same side of the chain, cis has kinks
Trans is what
Hydrogen on the opposite side of the chain
Unsaturated & saturated fats: which is single bond and which is double bond?
unsat - double bond
sat - single bond