Bio Chem- Lipids

Question 1

What are lipids

Answer 1

fats and oils

Question 2

Are lipids polar

Answer 2

No b/c fats and oils do not dissolve in water

Question 3

When you extract lipids from animals what do you get

Answer 3

fat

Question 4

When you extract lipids from plants what do you get

Answer 4

oil

Question 5

What do lipids contain

Answer 5

C,H,O

Question 6

Are lipids hydrophobic or hydrophilic

Answer 6

Lipids are hydrophobic

Question 7

What are the functions are lipids

Answer 7

store energy
insulation
make up membranes

Question 8

What is the structure of lipids

Answer 8

Head - glycerol

Tail - fatty acids

Question 9

What is the monomer of lipids

Answer 9

1 glycerol backbone
3 fatty acids
4 in total

Question 10

What are the types of lipids

Answer 10

Triglycerides
Phospholipids
Steroids

Question 11

what does a carboxly group look like

Answer 11

O
||
HO-C

Question 12

What makes a triglyceride

Answer 12

They must be dehydrated

Question 13

What are phospholipids

Answer 13

have a polar hydrophilic head and

non-polar hydrophobic tails

Question 14

Where are phospholipids founds

Answer 14

cell membrane

Question 15

The nonpolar hydrophobic tails are …

Answer 15

hydrocarbon tails

Question 16

Saturated Fats

Answer 16

full of hydrogen 
solid at room temp 
all straight bonds 
all single bonds 
straight bonds
linear
stack easily

Question 17

Unsaturated Fats

Answer 17

not full of hydrogen 
liquid at room temp
at least one double bond
kinked or bent
not straights bonds 
not linear 
does not stack easily

Question 18

What is dehydrogenation

Answer 18

a process where vegetable oil is converted to a saturated fat
bent to a linear

Question 19

What is a trans fat

Answer 19

when converting a saturated fat some become linear but don’t break the double bond
They are really bad

Question 20

What are steroids

Answer 20

function as hormones
no fatty acids
C& H are in rings

Question 21

What is cholesterol

Answer 21

in cell membrane
nonpolar
type of steroid
when they build up they block passageways in arteries