PHOSPHOLIPIDS Flashcards
1
Q
WHAT IS PHOSPHOLIPIDS MADE UP OF?
A
TWO FATTY ACIDS JOINED TO A GLYCEROL MOLECULE + A PHOSPHATE GROUP
2
Q
WHAT DO PHOSPHOLIPIDS MAKE UP? HOW?
A
CELL MEMBRANES BY FORMING A BILAYER
3
Q
WHAT IS THE DEFINITION OF HYDROPHILIC PHOSPHATE GROUP?
A
INTERACTS WITH WATER + FACES OUTWARDS
4
Q
WHAT DO HYDROPHILIC PHOSPHATE GROUPS FORM?
A
A BARRIER TO SUBSTANCES DISSOLVED IN WATER
5
Q
WHAT ARE PHOSPHOLIPIDS THE MAIN COMPONENT OF?
A
BIOLOGICAL MEMBRANES
6
Q
WHAT IS THE FUNCTION OF A PHOSPHOLIPID?
A
ELECTRICAL INSULATION - THE MYELIN SHEATH THAT SURROUNDS THE AXONS OF NERVE CELLS IS MADE OF PHOSPHOLIPIDS