Each gram of saturated fat give 9 calories. If Miguel's choice of the menu contained 6 gram of saturated fat,he choice contained 6g*9cal/g=54cal.
Miguel's choice had a total of 460 calories. 54 calories of saturated fat is equivalent to (54cal*100%)/460cal=11.74%.
The percentage of calories from saturated fat is 11.74.
Answer:
It means that the cell membrane allows certain substances to pass through and not others. As the cell membrane consists of a phospholipid bilayer with a hydrophobic core, only small uncharged hydrophobic molecules can pass through the cell membrane e.g. glucocorticoid and other larger charged particles require transporters or channel proteins to pass through the cell membrane, e.g. glucose.
