23.Your body cells can break down BLANK as a source of energy to fuel ATP production.
Select one:
O a. all of the above
O b. amino acids
1
O c. glycerol
O d. fatty acids

The answer is all of the above. if the body does not getting enough calories from other nutrients it can break down proteins (amino acids), carbohydrates (glycerol), or fat (fatty acids)

The arrangements of lipids in the membrane makes the cell semi permeable .

Human embrogeneis(plus i cant see the image)