Exam 4 Flashcards
What structural feature would you find in steroids? (sterols)
Four connected ring structure
Functions of lipids
stores energy, chemical messengers, cell membranes
Would lipids classify as polar or non-polar?
non-polar, does have polar parts but are overall non-polar
Unsaturated Fatty Acids
have double bonds, prevent routation, liquids at room temperature
London Dispersion
can make the temperature higher than unsaturated fatty acids
Fat
has a lot of surface area
oil
more spread apart
How do you describe wax?
esters, long carbon chain, two long chains
What is the process of converting vegetable oil into saturated fats called?
hydrogeneration
butter will melt on toast but the fat from your steak will not why?
butter has a higher portion of unsaturated fat, they do not stick together
Glycerophospholipids are made up of?
glycerel, phosphate, other amino acids
list the three main types of sterols in the human body
cholesterol, bile acids, hormones
what is saturated fat?
butter
what is trans fat?
margarine
where do fats break down?
starts breaking down in the small intestine (lipids)
